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  1. <?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:blogger='http://schemas.google.com/blogger/2008' xmlns:georss='http://www.georss.org/georss' xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-2101270763528104318</id><updated>2024-03-05T22:12:47.956-08:00</updated><title type='text'>Quantum Pundit</title><subtitle type='html'></subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><link rel='next' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default?start-index=26&amp;max-results=25'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>78</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-3426507041793653885</id><published>2019-07-11T01:46:00.000-07:00</published><updated>2019-07-11T01:47:46.221-07:00</updated><title type='text'>On The Dowling-&quot;Neven&quot; Law</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  2. &lt;div style=&quot;text-align: justify;&quot;&gt;
  3. &lt;span style=&quot;font-size: large;&quot;&gt;In a &lt;a href=&quot;https://www.quantamagazine.org/does-nevens-law-describe-quantum-computings-rise-20190618/&quot; target=&quot;_blank&quot;&gt;recent article&lt;/a&gt; in the magazine &lt;i&gt;Quanta&lt;/i&gt;, much ado was made about the new so-called Neven&#39;s law:&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
  4. &lt;div style=&quot;text-align: justify;&quot;&gt;
  5. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  6. &lt;br /&gt;
  7. &lt;div style=&quot;text-align: justify;&quot;&gt;
  8. &lt;span style=&quot;font-size: large;&quot;&gt;&quot;That rapid improvement has led to what’s being called &#39;Neven’s law,&#39; a new kind of rule to describe how quickly quantum computers are gaining on classical ones. The rule began as an in-house observation before Neven mentioned it in May at the Google Quantum Spring Symposium. There, he said that quantum computers are gaining computational power relative to classical ones at a &#39;doubly exponential&#39; rate — a staggeringly fast clip.&quot;&lt;/span&gt;&lt;/div&gt;
  9. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
  10. &lt;div style=&quot;text-align: justify;&quot;&gt;
  11. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  12. &lt;span style=&quot;font-size: large;&quot;&gt;
  13. &lt;div style=&quot;text-align: justify;&quot;&gt;
  14. Hartmut Neven is the director of the Google Quantum Artificial Intelligence Lab. In some sense — at least for the quantum cognoscenti! — this is a trivial observation. We have known for well over 30 years that the processing power of a quantum computer scales exponentially in the number of qubits. Hence, when the point came that the number of qubits on a chip began to grow exponentially, it is simple to deduce that the processing power will grow doubly exponentially.&amp;nbsp;&lt;/div&gt;
  15. &lt;/span&gt;&lt;br /&gt;
  16. &lt;div style=&quot;text-align: justify;&quot;&gt;
  17. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  18. &lt;div style=&quot;text-align: justify;&quot;&gt;
  19. &lt;span style=&quot;font-size: large;&quot;&gt;Nevertheless, the general public has difficulty grasping ordinary exponential growth — much less doubly exponential growth! So in my &lt;b&gt;&lt;i&gt;&lt;u&gt;2013&lt;/u&gt;&lt;/i&gt;&lt;/b&gt; book, &lt;a href=&quot;http://www.phys.lsu.edu/~jdowling/publications/SchroedingersKillerApp.pdf&quot; target=&quot;_blank&quot;&gt;Schrödinger&#39;s Killer App: Race to Build the World&#39;s First Quantum Computer&lt;/a&gt;, I wrote an entire short section on this double-exponential growth in processing power. At the time I called it &quot;Moore&#39;s Law for Quantum Computing.&quot;&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
  20. &lt;div style=&quot;text-align: justify;&quot;&gt;
  21. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  22. &lt;div style=&quot;text-align: justify;&quot;&gt;
  23. &lt;span style=&quot;font-size: large;&quot;&gt;This double exponential growth has reached a stage where it is a reality, as Neven noted, since the number of superconducting qubits on a wide variety of platforms is doubling every six months. I thought it would be useful to set the historical record straight by posting here the excerpt from my book that discusses the double-exponential scaling, a feature of quantum computers that I propose we call the Dowling-Neven Law, given that I cooked it up six years before Neven did.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
  24. &lt;div style=&quot;text-align: justify;&quot;&gt;
  25. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  26. &lt;div style=&quot;text-align: justify;&quot;&gt;
  27. &lt;span style=&quot;font-size: large;&quot;&gt;––––––––––––––––––––––––––––––––––––––––––––––––––––––&lt;/span&gt;&lt;/div&gt;
  28. &lt;div style=&quot;text-align: justify;&quot;&gt;
  29. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  30. &lt;div style=&quot;text-align: justify;&quot;&gt;
  31. &lt;span style=&quot;font-size: large;&quot;&gt;Excerpt from:&amp;nbsp;&lt;a href=&quot;http://www.phys.lsu.edu/~jdowling/publications/SchroedingersKillerApp.pdf&quot; target=&quot;_blank&quot;&gt;&lt;i&gt;Schrödinger&#39;s Killer App: Race to Build the World&#39;s First Quantum Computer,&lt;/i&gt;&amp;nbsp;&lt;/a&gt;by Jonathan P. Dowling (Taylor and Francis CRC Press, 2013) pp. 391–392.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
  32. &lt;div style=&quot;text-align: justify;&quot;&gt;
  33. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  34. &lt;div style=&quot;text-align: justify;&quot;&gt;
  35. &lt;span style=&quot;font-size: large;&quot;&gt;––––––––––––––––––––––––––––––––––––––––––––––––––––––&lt;/span&gt;&lt;/div&gt;
  36. &lt;br /&gt;
  37. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: justify;&quot;&gt;
  38. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  39. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  40. &lt;span style=&quot;font-size: large;&quot;&gt;&quot;I will take [Bill] Phillips up on his wager
  41. and bet that we have a quantum computer capable of running Shor’s factoring
  42. algorithm in 50 years or so. I will also take the science fiction writer point
  43. of view and extrapolate wildly beyond known physics to get us there. (Remember,
  44. the science fiction writers are more often right than the too conservative
  45. scientists.) There is consensus in the community that such a practical
  46. factoring engine will require around a trillion (10&lt;sup&gt;12&lt;/sup&gt;) qubits. Conjecturing
  47. something like Moore’s law for quantum computing I will further conjecture that
  48. new technologies are around the corner that will allow us to double the size of
  49. our quantum processors every few years. So if we think of the new NIST ion trap
  50. working this in a few years (2020) with &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;1000&lt;/span&gt; entangled ions we then just scale this up,
  51. doubling the number of qubits every few years, until we get to a billion
  52. entangled qubits. In figure 6.4, I plot this trajectory with the number of
  53. qubits on the red horizontal scale, the size of the corresponding Hilbert space
  54. on the green vertical scale, and the year along the diagonal on the orange
  55. scale. I show a few qubit ion trap photograph around the year 2000, a &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;1000&lt;/span&gt; qubit ion trap around
  56. the year 2020, a fanciful rendition of a &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;100000&lt;/span&gt; qubit machine made from a carbon graphene
  57. lattice in 2040, and then I run out of ideas for the hardware. But you can bet
  58. that scientists in 2040 will not run out of ideas (they have thirty years of
  59. new discoveries in hand that I don’t) and they will build the million qubit
  60. machine by 2060 and finally the Internet hacking billion qubit machine running
  61. Shor’s algorithm (for which I display the quantum circuit) by 2080. The growth
  62. in the number of qubits, as per Moore’s law, is exponential by year. Since the
  63. size of the Hilbert space, vertical green scale, is exponential in the number
  64. of qubits it is therefore &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;super&lt;/i&gt;
  65. exponential. Following this trajectory, if I hedge William Phillips bet and we
  66. have a billion qubit machine in 70 years by 2080 then we humans will have
  67. explored &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;3000000000000&lt;/span&gt;
  68. (three-trillion) orders of magnitude in size in Hilbert space. That is to be
  69. compared to the rather paltry &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;60&lt;/span&gt;
  70. orders of magnitude in three-dimensional space humans have explored in all of
  71. recorded history, tens of thousands of years. The exploration of all of
  72. three-dimensional space in all of human history is nothing compared to the
  73. exploration of Hilbert space in the next 70 years. That is the promise of
  74. quantum technology. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
  75. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  76. &lt;br /&gt;&lt;/div&gt;
  77. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  78. &lt;span style=&quot;font-size: large;&quot;&gt;Taking that position that Hilbert
  79. space is real, just as real as three-space, and then this is not just a
  80. mathematical exercise. If Hilbert space is a physical resource then by 2080
  81. we’ll have a &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;10&lt;sup&gt;3000000000000&lt;/sup&gt;&lt;/span&gt;
  82. dimensional resource at our disposal. It is difficult to wrap your brain around
  83. the size of this number.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn1&quot; name=&quot;_ednref1&quot; style=&quot;mso-endnote-id: edn1;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;!--[if !supportFootnotes]--&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;[i]&lt;/span&gt;&lt;!--[endif]--&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; This is
  84. a one followed by three trillion zeros. This book you are reading has around a
  85. million characters in it. Hence to print out the number &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;10&lt;sup&gt;3000000000000&lt;/sup&gt;&lt;/span&gt; in full on paper
  86. would require a printing of &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;3000000&lt;/span&gt;
  87. (three-million) books this size filled with all zeros; that is about a tenth of
  88. all the books in the US Library of Congress, one of the largest book
  89. repositories in the world. The number of particles in the entire universe is
  90. only about 10&lt;sup&gt;80&lt;/sup&gt; or one followed by only 80 zeros. In the Church of
  91. the Larger Hilbert space we believe that not only are these huge numbers
  92. attainable but that they are attainable in a generation and that they
  93. correspond to the size of a real thing, Hilbert space, that we can build things
  94. with using it as a resource. What is in Hilbert space? Well nothing I’m sure at
  95. the moment. That is whenever we opened a new window in three-dimensional space,
  96. by inventing the telescope or microscope; we found things that were already
  97. there, new planets in the former case and microbes in the latter case. This is
  98. why the exploration of three-dimensional space is a science. As our observing
  99. tools see bigger or smaller things we find stuff that has been there all along
  100. but that we just could not see before. Not so in Hilbert space. Hilbert space
  101. is not independent of us, there for us to find stuff in, but rather we create
  102. Hilbert space and then use it in turn to power new types of machines. The
  103. exploration of Hilbert space is much less a science and much more of a
  104. technology. I rather doubt that when we build the billion-qubit quantum
  105. computer that it will open a portal into an exponentially large Hilbert space
  106. that contains Hilbert space creatures that will leap out at us and gobble us
  107. all up. Rather then Hilbert space is empty until we make it and begin to
  108. manipulate our quantum mechanical states inside of it and fill it with our
  109. technologies. It is because we make it that it is a technology. What will we
  110. make in a &lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;10&lt;sup&gt;3000000000000&lt;/sup&gt;&lt;/span&gt;
  111. dimensional Hilbert space? Well there is &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;plenty&lt;/i&gt;
  112. of room in there so I would be surprised if all we came up with was a quantum
  113. computer. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
  114. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  115. &lt;br /&gt;&lt;/div&gt;
  116. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
  117. &lt;div style=&quot;text-align: justify;&quot;&gt;
  118. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  119. &lt;span style=&quot;font-size: large;&quot;&gt;
  120. &lt;/span&gt;&lt;br /&gt;
  121. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  122. &lt;br /&gt;&lt;/div&gt;
  123. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: justify;&quot;&gt;
  124. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPq95KZ5Ed_xIGC8_MJfmf5kZkOMTUfKjkeKrF5Bi-2n2VVF5oE9BwERMHhMKfxVeDIlznOCt4-qHeNV3XoAMhz6Y4FnhKLFXgCv3x0yVp98iAIjoZnIRn5vwcSLk0FjFxXTvw6zr0u0OB/s1600/FIG06.04.png&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;span style=&quot;font-size: large;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1125&quot; data-original-width=&quot;1500&quot; height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPq95KZ5Ed_xIGC8_MJfmf5kZkOMTUfKjkeKrF5Bi-2n2VVF5oE9BwERMHhMKfxVeDIlznOCt4-qHeNV3XoAMhz6Y4FnhKLFXgCv3x0yVp98iAIjoZnIRn5vwcSLk0FjFxXTvw6zr0u0OB/s640/FIG06.04.png&quot; width=&quot;640&quot; /&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;
  125. &lt;br /&gt;
  126. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: .5in; margin-right: 18.95pt; margin-top: 0in;&quot;&gt;
  127. &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;&lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/i&gt;&lt;/div&gt;
  128. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: .5in; margin-right: 18.95pt; margin-top: 0in;&quot;&gt;
  129. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Figure
  130. 6.4: Exponentially large Hilbert space over the next fifty years. The red
  131. horizontal scale assumes a type of Moore’s law for quantum processors with the
  132. number of qubits in the processor following an exponential growth doubling in
  133. size every few years. (This is the type of scaling we’ll have to have if a
  134. universal quantum computer with a billion qubits is to be built in fifty
  135. years.) The dimension of the Hilbert space scales exponentially again with the
  136. number of qubits and so it scales ‘super’ exponentially along the vertical
  137. green axis. The diagonal orange arrow indicates approximate year. The figures
  138. show an ion trap quantum computer with one, two, three six, and ten qubit
  139. (lower left) where ten qubits gives a Hilbert space dimension of 2&lt;sup&gt;10&lt;/sup&gt;
  140. or about 1000. The second graphic is the NIST ion trap that may have 1000
  141. entangled qubits in 2020 with a Hilbert space dimension of 2&lt;sup&gt;1000&lt;/sup&gt; or
  142. 10&lt;sup&gt;300&lt;/sup&gt;. The third graphic is a schematic of the carbon graphene structure
  143. that might have &lt;/i&gt;&lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;1000000&lt;/span&gt;&lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt; entangled qubits or a Hilbert space of 2&lt;sup&gt;1000000&lt;/sup&gt;
  144. that is about 10&lt;sup&gt;300000&lt;/sup&gt;. The final graphic (upper right) is a circuit
  145. for Shor’s algorithm running on a billion-qubit machine (of unknown technology)
  146. that has a Hilbert space dimension of 2&lt;sup&gt;100000000000&lt;/sup&gt; or 10&lt;sup&gt;300000000000&lt;/sup&gt;.
  147. This chart implies that we will cover &lt;/i&gt;&lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;300000000000&lt;/span&gt;&lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;
  148. orders of magnitude of Hilbert space in the next fifty years compared to &lt;/i&gt;&lt;span style=&quot;font-family: &amp;quot;courier&amp;quot;;&quot;&gt;60&lt;/span&gt;&lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt; orders of magnitude (figure 6.3) in three-dimensional space covered in
  149. the past several thousand years.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn2&quot; name=&quot;_ednref2&quot; style=&quot;mso-endnote-id: edn2;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;!--[if !supportFootnotes]--&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;b style=&quot;mso-bidi-font-weight: normal;&quot;&gt;[ii]&lt;/b&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;
  150. &lt;o:p&gt;&lt;/o:p&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;
  151. &lt;div style=&quot;text-align: justify;&quot;&gt;
  152. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  153. &lt;div style=&quot;mso-element: endnote-list;&quot;&gt;
  154. &lt;hr size=&quot;1&quot; style=&quot;text-align: left;&quot; width=&quot;33%&quot; /&gt;
  155. &lt;!--[endif]--&gt;
  156.  
  157. &lt;br /&gt;
  158. &lt;div id=&quot;edn1&quot; style=&quot;mso-element: endnote;&quot;&gt;
  159. &lt;div class=&quot;MsoEndnoteText&quot; style=&quot;text-align: justify;&quot;&gt;
  160. &lt;div style=&quot;text-align: left;&quot;&gt;
  161. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref1&quot; name=&quot;_edn1&quot; style=&quot;mso-endnote-id: edn1;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;!--[if !supportFootnotes]--&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;[i]&lt;/span&gt;&lt;!--[endif]--&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;
  162. See, “The Biggest Numbers in the Universe,” by Bryan Clair in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Strange Horizons&lt;/i&gt; (02 April 2001) &amp;lt;&lt;a href=&quot;http://www.strangehorizons.com/2001/20010402/biggest_numbers.shtml&quot;&gt;http://www.strangehorizons.com/2001/20010402/biggest_numbers.shtml&lt;/a&gt;&amp;gt;.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
  163. &lt;/div&gt;
  164. &lt;/div&gt;
  165. &lt;div id=&quot;edn2&quot; style=&quot;mso-element: endnote;&quot;&gt;
  166. &lt;div class=&quot;MsoEndnoteText&quot; style=&quot;text-align: justify;&quot;&gt;
  167. &lt;div style=&quot;text-align: left;&quot;&gt;
  168. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref2&quot; name=&quot;_edn2&quot; style=&quot;mso-endnote-id: edn2;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;!--[if !supportFootnotes]--&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;[ii]&lt;/span&gt;&lt;!--[endif]--&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;
  169. The figure is a composite. The two ion trap photos are courtesy of NIST and as
  170. work of the US Government are not subject to copyright. The graphene molecule,
  171. a two-dimensional crystalline form of carbon that has been proposed as platform
  172. for quantum computing, is a schematic that is the work of Krapnik &amp;lt;http://en.wikipedia.org/wiki/File:CF_1.png&amp;gt;
  173. and the circuit diagram of Shor’s algorithm was created by Bender2k14 &amp;lt;&lt;a href=&quot;http://en.wikipedia.org/wiki/File:Shore_code.svg&quot; target=&quot;_blank&quot;&gt;http://en.wikipedia.org/wiki/File:Shore_code.svg&lt;/a&gt;&amp;gt; and both are and licensed under the Creative Commons Attribution-Share
  174. Alike 3.0 Unported license. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
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  265. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/3426507041793653885/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2019/07/on-dowling-neven-law.html#comment-form' title='1 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/3426507041793653885'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/3426507041793653885'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2019/07/on-dowling-neven-law.html' title='On The Dowling-&quot;Neven&quot; Law'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPq95KZ5Ed_xIGC8_MJfmf5kZkOMTUfKjkeKrF5Bi-2n2VVF5oE9BwERMHhMKfxVeDIlznOCt4-qHeNV3XoAMhz6Y4FnhKLFXgCv3x0yVp98iAIjoZnIRn5vwcSLk0FjFxXTvw6zr0u0OB/s72-c/FIG06.04.png" height="72" width="72"/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-8142740521460530704</id><published>2018-11-17T15:39:00.003-08:00</published><updated>2018-11-18T16:15:24.455-08:00</updated><title type='text'>ETAOIN SHRDLU </title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  266. &lt;span style=&quot;font-size: large;&quot;&gt;The Linotype (“line of type”) was a typesetting machine for setting metal “hot type” letters for a printing press. Each keystroke injected molten metal into a mold and the Linotype would produce an entire line of metal type at a time in a single metal ingot.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  267. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;font-size: large;&quot;&gt;The Linotype letters were arranged in order of frequency of use in the English alphabet, and so ETAOIN SHRDLU were the letters of the first two vertical columns on the left side of the keyboard and approximate the most common letters in English from most common to the left “E” and less common to the right “U.”&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  268. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;font-size: large;&quot;&gt;This should be compared to the QWERTY typing standard in English keyboards, which was purposely designed with some of the least common letters on the primary row in order to slow typists down to keep them from typing so fast that they jammed the keys of the first mechanical typewriters.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  269. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;font-size: large;&quot;&gt;Etaoin Shrdlu was the title of a short story by Fredric Brown about a sentient Linotype machine of the same name.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  270. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;font-size: large;&quot;&gt;SHRDLU&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;font-size: large;&quot;&gt;was the name of an artificial intelligence program developed in 1972 in the programming language LISP. (Thanks to Tony Schneider for this information.)&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  271. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;font-size: large;&quot;&gt;The last issue of the New York Times composed using the Linotype machine appeared in July of 1978, and the typesetting of that last issue was captured in the documentary film Farewell Etaoin Shrdlu.&lt;/span&gt;&lt;br /&gt;
  272. &lt;br /&gt;
  273. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;font-size: large;&quot;&gt;Schrödinger&#39;s Killer App: Race to Build the World&#39;s First Quantum Computer (Page 127). Taylor and Francis CRC 2013.&lt;/span&gt;&lt;br /&gt;
  274. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
  275. &lt;br /&gt;
  276. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  277. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;img height=&quot;314&quot; src=&quot;https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/Linotype-vorne-deutsches-museum-annotated.jpg/1280px-Linotype-vorne-deutsches-museum-annotated.jpg&quot; style=&quot;margin-left: auto; margin-right: auto;&quot; width=&quot;320&quot; /&gt;&lt;/td&gt;&lt;/tr&gt;
  278. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;div style=&quot;text-align: justify;&quot;&gt;
  279. &lt;span style=&quot;font-size: 12.8px;&quot;&gt;&lt;a href=&quot;https://commons.wikimedia.org/wiki/File:Linotype-vorne-deutsches-museum-annotated.jpg&quot; target=&quot;_blank&quot;&gt;Linotype machine&lt;/a&gt; Model 6, built in 1965 (Deutsches Museum), with major components labeled.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
  280. &lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: justify;&quot;&gt;&lt;br /&gt;&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: justify;&quot;&gt;&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: justify;&quot;&gt;&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: justify;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
  281. &lt;/tbody&gt;&lt;/table&gt;
  282. &lt;br /&gt;&lt;div&gt;
  283. &lt;span style=&quot;font-size: large;&quot;&gt;The notion that a sentient Linotype machine was at work, came about from a curious design flaw in the machine. As the typesetter typed away, there was no back or delete button. If you made a typo, your only choice was to start that entire single bar of type over again. To do this quickly, the typesetter would just type ETAIONSRDLU over and over again, because that was the easiest thing to type quickly and eject the flawed line of type into the recycling&amp;nbsp;bin where it would be melted down again for reuse. But occasionally the typesetter would hit the send-to-print button instead of the send-to-recycling button. If that was missed by the editor, you would find &quot;ETAONSRDLU&quot; mysteriously in the middle of an article in the New York Times. These ghostly appearances&amp;nbsp;gave rise to the rumor that a sentient gremlin by that name infested the printers at the NYT. Here is a famous example of such a typo from 1903.&lt;/span&gt;&lt;/div&gt;
  284. &lt;div&gt;
  285. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  286. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  287. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;img alt=&quot;File:Etaoin shrdlu.png&quot; height=&quot;181&quot; src=&quot;https://upload.wikimedia.org/wikipedia/commons/6/6f/Etaoin_shrdlu.png&quot; style=&quot;margin-left: auto; margin-right: auto;&quot; width=&quot;320&quot; /&gt;&lt;/td&gt;&lt;/tr&gt;
  288. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;An October 30, 1903 article from &lt;a href=&quot;https://en.wikipedia.org/wiki/File:Etaoin_shrdlu.png&quot; target=&quot;_blank&quot;&gt;The New York Times&lt;/a&gt; containing the linotype string&amp;nbsp;&lt;a class=&quot;extiw&quot; href=&quot;https://en.wikipedia.org/wiki/etaoin_shrdlu&quot; style=&quot;background: none rgb(248, 249, 250); color: #663366; font-family: sans-serif; font-size: 13.3px; text-align: start;&quot; title=&quot;w:etaoin shrdlu&quot;&gt;w:etaoin shrdlu&lt;/a&gt;&lt;span style=&quot;background-color: #f8f9fa; color: #222222; font-family: sans-serif; font-size: 13.3px; text-align: start;&quot;&gt;.&amp;nbsp;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  289. &lt;/tbody&gt;&lt;/table&gt;
  290. &lt;div&gt;
  291. &lt;br /&gt;&lt;/div&gt;
  292. &lt;/div&gt;
  293. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/8142740521460530704/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/11/etaoin-shrdlu.html#comment-form' title='1 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8142740521460530704'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8142740521460530704'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/11/etaoin-shrdlu.html' title='ETAOIN SHRDLU '/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-8789150929719300057</id><published>2018-10-20T21:25:00.001-07:00</published><updated>2018-10-21T16:57:02.345-07:00</updated><title type='text'>Post Quantum-Cryptography is the Off-Ramp on the On-Road to the Quantum Internet</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  294. In 1977,&amp;nbsp;&lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;a href=&quot;https://en.wikipedia.org/wiki/RSA_(cryptosystem)&quot; target=&quot;_blank&quot;&gt;Rivest, Shamir, and Adleman &lt;/a&gt;proposed the first Public Key Encryption system, that now secures all of our financial data and much of our government data.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  295. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
  296. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;The security rested on one premise, &quot;We don&#39;t &lt;i&gt;think&lt;/i&gt; computers can quickly factor large numbers.&quot; While the jury is still out on whether &lt;a href=&quot;https://en.wikipedia.org/wiki/Sneakers_(1992_film)&quot; target=&quot;_blank&quot;&gt;classical computers can quickly factor large numbers&lt;/a&gt;, we now know that &lt;a href=&quot;https://en.wikipedia.org/wiki/Shor%27s_algorithm&quot; target=&quot;_blank&quot;&gt;quantum computers&lt;/a&gt; can quickly factor large numbers.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  297. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;I was at a meeting on quantum technologies on July 5th, 2018, in Munich. There, a chief scientist&amp;nbsp;from Intel informed us that their conservative estimate for a universal quantum computer was 10 years. I asked, &quot;Ten years or more?&quot; She replied, &quot;Ten years or less.&quot;&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  298. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;Today the USA is ahead in the development of &lt;a href=&quot;https://en.wikipedia.org/wiki/Quantum_computing&quot; target=&quot;_blank&quot;&gt;quantum computers&lt;/a&gt;. That lead will not last long.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  299. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;In part, due to that evanescent lead, the Chinese have decided to move to a &lt;a href=&quot;https://en.wikipedia.org/wiki/Post-quantum_cryptography&quot; target=&quot;_blank&quot;&gt;quantum cryptography based system&lt;/a&gt;, which is immune to attacks by even a quantum computer. And they have invested $30B to develop a&lt;a href=&quot;https://www.alibabacloud.com/press-room/alibaba-cloud-and-cas-launch-one-of-the-worlds-most&quot; target=&quot;_blank&quot;&gt; quantum computer &lt;/a&gt;of their own.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  300. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;In the meantime, the USA response&amp;nbsp;to this threat is not to invest in a provably secure quantum cryptosystem, but rather to move to a &quot;new&quot; public-key crypto-system, &lt;a href=&quot;https://en.wikipedia.org/wiki/Post-quantum_cryptography&quot; target=&quot;_blank&quot;&gt;post quantum-cryptograpy&lt;/a&gt;, which they hope—but cannot prove!—is immune to an attack by even a quantum computer.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  301. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
  302. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;This is the US National Security Agency position on the matter, and their protocols are being tested, quantified, and standardized by the US National Institute of Science and Technology—ready soon to be rolled out.&amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  303. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
  304. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;This is a fool&#39;s errand.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  305. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;This US approach to the threat posed by quantum computers is simplistic, nearsighted, and dangerous.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  306. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;Quantum key distribution uses an unbreakable one-time pad. This scheme is used by the US diplomatic corps, the CIA, and for the nuclear launch codes. Currently, the launch codes are distributed to the missile silos on 3.5&quot; floppies driven around by a guy in a truck. Surely we can do better than that?&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
  307. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;
  308. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;And why are diplomatic communications, intelligence communications, and the nuclear launch codes secured with one-time pads? It is because that the users of these systems do not trust public key encryption, since it is not provable secure. Moving to a different un-provably secure public-key encryption system does not change this reality.&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
  309. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;
  310. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;The move embrace post quantum-cryptography is a move away from developing a &lt;a href=&quot;http://www.worldcat.org/oclc/897789291&quot; target=&quot;_blank&quot;&gt;quantum internet&lt;/a&gt;, for which no such public key is needed. The quantum internet is automatically secured by quantum cryptography.&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
  311. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;
  312. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;To quote myself, &quot; The future of the quantum Internet is in photons and the short circuiting of the development of optical quantum information processors in the United States means that the future quantum Internet will have &lt;i&gt;&#39;Made in China&#39;&lt;/i&gt; stamped all over it.&quot; — &lt;a href=&quot;http://www.phys.lsu.edu/~jdowling/publications/SchroedingersKillerApp.pdf&quot; target=&quot;_blank&quot;&gt;Schrödinger&#39;s Killer App&lt;/a&gt; (2013).&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
  313. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;
  314. &lt;span style=&quot;color: #222222; font-family: sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white; font-size: 14px;&quot;&gt;The future of the the quantum internet is certainly &lt;i&gt;not &lt;/i&gt;post quantum-cryptography.&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
  315. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;We have a completely unbreakable quantum key distribution protocol — why the hell don&#39;t we use it!?&lt;/span&gt;&lt;br /&gt;
  316. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
  317. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;Post quantum-cryptography&amp;nbsp;is a small band-aid on an arterial wound.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  318. &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt; &lt;span style=&quot;background-color: white; color: #222222; font-family: sans-serif; font-size: 14px;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  319. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/8789150929719300057/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/post-quantum-cryptography-is-off-ramp.html#comment-form' title='4 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8789150929719300057'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8789150929719300057'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/post-quantum-cryptography-is-off-ramp.html' title='Post Quantum-Cryptography is the Off-Ramp on the On-Road to the Quantum Internet'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-8657090247274897924</id><published>2018-10-15T16:26:00.000-07:00</published><updated>2018-10-15T16:30:33.293-07:00</updated><title type='text'>A Brief History of The &quot;Second Quantum Revolution&quot;</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  320. I&#39;m preparing a talk to present next week in Brisbane, Australia, to celebrate Gerard Milburn&#39;s 60th birthday, and I plan to focus on a paper we wrote together in 2002 that has now become a hot topic.&lt;br /&gt;
  321. &lt;br /&gt;
  322. In 2002,&amp;nbsp; Milburn and I wrote the paper, &quot;Quantum Technology — The Second Quantum Revolution&quot; that appeared on the &lt;a href=&quot;https://arxiv.org/abs/quant-ph/0206091&quot; target=&quot;_blank&quot;&gt;ArXiv&lt;/a&gt; in June of 2002 and was published in the proceedings of the &lt;a href=&quot;http://rsta.royalsocietypublishing.org/content/361/1809/1655.short&quot; target=&quot;_blank&quot;&gt;Royal Society of London&lt;/a&gt; in August of 2003. The terms &quot;quantum technology&quot; and &quot;second quantum revolution&quot; have recently taken off.&lt;br /&gt;
  323. &lt;br /&gt;
  324. Milburn had written a book in 1996 called &lt;i&gt;&lt;a href=&quot;http://www.worldcat.org/oclc/36556768&quot; target=&quot;_blank&quot;&gt;Quantum Technology&lt;/a&gt;&lt;/i&gt; and so that phrase had been around for a while. Indeed a Google search of &quot;quantum technology&quot; from 1900–2000 shows hundreds of hits. However, a Google search of the same phrase over all time shows nearly 500,000 hits.&lt;br /&gt;
  325. &lt;br /&gt;
  326. To get a better idea of the trend, using Web of Science, we find 913 peer-reviewed&amp;nbsp;publications with &quot;quantum technology&quot; or &quot;quantum technologies&quot; in the title, abstract, or keywords. Here is the graph of the citations to those articles by year.&lt;br /&gt;
  327. &lt;br /&gt;
  328. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  329. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGFwXcA1m8hqPyDbbx9nbxu3vTjRN5v86pKe7_KapcXBbaGVX5coymG9755jIu9ZP1MJcJR79M5Npd6znSzSqsixBA_9_DNTQ98D-X4f-Q3N0Iakj8rACdcx_JfI4fK_JK2vQwfSkFsIoB/s1600/Untitled.png&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;740&quot; data-original-width=&quot;1600&quot; height=&quot;295&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGFwXcA1m8hqPyDbbx9nbxu3vTjRN5v86pKe7_KapcXBbaGVX5coymG9755jIu9ZP1MJcJR79M5Npd6znSzSqsixBA_9_DNTQ98D-X4f-Q3N0Iakj8rACdcx_JfI4fK_JK2vQwfSkFsIoB/s640/Untitled.png&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  330. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Citations by year to journal papers with &quot;quantum technology&quot; or &quot;quantum technologies&quot; in the topic.&lt;/td&gt;&lt;/tr&gt;
  331. &lt;/tbody&gt;&lt;/table&gt;
  332. &lt;br /&gt;
  333. One can see the number of citations goes from linear growth to exponential in the early 2010s.&lt;br /&gt;
  334. &lt;br /&gt;
  335. More unique is the phrase &quot;second quantum revolution&quot;.&amp;nbsp; According to Google, this term appears &lt;i&gt;only once &lt;/i&gt;between 1900 and 2000, in 1997 in an unpublished manuscript, &lt;i&gt;&lt;a href=&quot;http://www22.pair.com/csdc/pdf/philos.pdf&quot; target=&quot;_blank&quot;&gt;A History of Physics as an Exercise in Philosophy&lt;/a&gt;, &lt;/i&gt;by E. J. Post, on page 52, where Post writes, &quot;This relation was to have a major role in implementing the Schroedinger wave equation; the latter and matrix mechanics set off the second quantum revolution.&quot;&lt;br /&gt;
  336. &lt;br /&gt;
  337. Post was calling the transition from the &lt;a href=&quot;https://en.wikipedia.org/wiki/Old_quantum_theory&quot; target=&quot;_blank&quot;&gt;old quantum theory&lt;/a&gt; of Bohr and Sommerfeld to the new quantum theory of Heisenberg and Schrödinger, &quot;the second quantum revolution&quot;, which is not at all what Milburn and I had in mind for Quantum 2.0.&amp;nbsp; I suppose Milburn and I should have used the &quot;third quantum revolution&quot; but it is too late now.&lt;br /&gt;
  338. &lt;br /&gt;
  339. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  340. &lt;br /&gt;&lt;/div&gt;
  341. If we now redo the Google search on &quot;second quantum revolution&quot; over all time, we get nearly 11,000 hits, as seen in the figure below. There is even a new book out with this phrase as its tile. (I hope the author Lars Jaeger cites us.)&lt;br /&gt;
  342. &lt;br /&gt;
  343. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  344. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh49ptHkgErNn39ekgbWRp5WtkAnKL2XMoeRRDSSHJkuWxu1xLcbhnLrZXOoYdOxTH__SsOoUcpDawmQZsz8l-2Ka5W1Ii3Ba6A1LAmCO_7q17YTiJk4V-chRy7PwYjCM6bnOV-HDXkYZEa/s1600/Untitled.png&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;698&quot; data-original-width=&quot;1600&quot; height=&quot;278&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh49ptHkgErNn39ekgbWRp5WtkAnKL2XMoeRRDSSHJkuWxu1xLcbhnLrZXOoYdOxTH__SsOoUcpDawmQZsz8l-2Ka5W1Ii3Ba6A1LAmCO_7q17YTiJk4V-chRy7PwYjCM6bnOV-HDXkYZEa/s640/Untitled.png&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  345. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Google gives nearly 11,000 hits for &quot;second quantum revolution&quot; all of which dated 2002 or greater.&lt;br /&gt;
  346. Note Milburn&#39;s and my ArXiv paper appears second on the list.&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
  347. &lt;/tbody&gt;&lt;/table&gt;
  348. &lt;br /&gt;
  349. &lt;br /&gt;
  350. &lt;br /&gt;
  351. Let us now return to the Web of Science and find the citations to papers that cite Milburn&#39;s and my paper. The paper has been cited 132 times. The plot below is the number of times those 132 papers have been cited by year. Again we see a&amp;nbsp;linear to exponential transition in the early 2010s.&lt;br /&gt;
  352. &lt;br /&gt;
  353. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  354. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuVghUgO3ciy6U8f6uAXqsT4tBK09UMB5lTJ9OTAtJQ5c5QjR_r99Y1hWsvkTalcUf748Qfx06oXyitoLzd5cdfM7-bEgf6RkoOeYH_nBbqYgMpdOdJ02YkprC2qqDjAqtqTIJH1aDIzXx/s1600/Untitled.png&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;822&quot; data-original-width=&quot;1600&quot; height=&quot;328&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuVghUgO3ciy6U8f6uAXqsT4tBK09UMB5lTJ9OTAtJQ5c5QjR_r99Y1hWsvkTalcUf748Qfx06oXyitoLzd5cdfM7-bEgf6RkoOeYH_nBbqYgMpdOdJ02YkprC2qqDjAqtqTIJH1aDIzXx/s640/Untitled.png&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  355. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;The number of citations by year of the 132 papers that cite our original paper.&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
  356. &lt;/tbody&gt;&lt;/table&gt;
  357. &lt;br /&gt;
  358. &lt;br /&gt;
  359. &lt;br /&gt;
  360. So what are we to make of this charts? Milburn and I should have trademarked &quot;the second quantum revolution&quot; when we had a chance.&lt;br /&gt;
  361. &lt;br /&gt;
  362. &lt;br /&gt;
  363. &lt;br /&gt;&lt;/div&gt;
  364. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/8657090247274897924/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/a-brief-history-of-second-quantum.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8657090247274897924'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8657090247274897924'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/a-brief-history-of-second-quantum.html' title='A Brief History of The &quot;Second Quantum Revolution&quot;'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGFwXcA1m8hqPyDbbx9nbxu3vTjRN5v86pKe7_KapcXBbaGVX5coymG9755jIu9ZP1MJcJR79M5Npd6znSzSqsixBA_9_DNTQ98D-X4f-Q3N0Iakj8rACdcx_JfI4fK_JK2vQwfSkFsIoB/s72-c/Untitled.png" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-3870225964333423194</id><published>2018-10-15T15:21:00.002-07:00</published><updated>2018-10-15T15:23:10.216-07:00</updated><title type='text'>Palm Springs 1988 Cartoon</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  365. &lt;center&gt;
  366. &lt;/center&gt;
  367. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  368. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpIwv9mytou8VGh_9RWs1VrZJwQfZd5UIgEM9a3_1pTp9e11CFLyYo1sLshFO8OkzY2Eyr4FiaCljpFfz04I3-d33EHn6ZQp2Tfres7a_RkR5BhbYbijwojKPr8IhOK2mUAd-YewQSiExk/s1600/Odd.JPG&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;638&quot; data-original-width=&quot;826&quot; height=&quot;308&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpIwv9mytou8VGh_9RWs1VrZJwQfZd5UIgEM9a3_1pTp9e11CFLyYo1sLshFO8OkzY2Eyr4FiaCljpFfz04I3-d33EHn6ZQp2Tfres7a_RkR5BhbYbijwojKPr8IhOK2mUAd-YewQSiExk/s400/Odd.JPG&quot; width=&quot;400&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  369. &lt;br /&gt;
  370. &lt;br /&gt;
  371. &lt;br /&gt;
  372. &lt;br /&gt;
  373. At the 1998 NASA Palm Springs conference on quantum computing, I showed the above cartoon before starting my talk on Friday, the last day. The monologue went something like this:&lt;br /&gt;
  374. &lt;br /&gt;
  375. &lt;br /&gt;
  376. &lt;blockquote&gt;
  377. During this conference I&#39;ve noticed a number of speakers presenting slides illustrating the goal of quantum computing as some far off unreachable dream castle, or slides attempting to illustrate how some large government bureaucracy is involved in quantum computing. In this cartoon I&#39;ve attempted to combine both of these goals in a single slide, and also give some of my background role in government sponsored quantum computing.&lt;/blockquote&gt;
  378. &lt;blockquote&gt;
  379. So here at the bottom are the government agencies, represented by different characters from the&amp;nbsp;&lt;i&gt;Wizard of Oz&lt;/i&gt;&amp;nbsp;-- or in this case ---&amp;nbsp;&lt;i&gt;The Wizard of Odd&lt;/i&gt;. Here I am, as Toto the dog, representing Army Aviation &amp;amp; Missile Command (AMCOM). The idea here is that most of the time it&#39;s just annoying to have a small yapping dog in your lunch basket -- but occasionally he alerts you to something you otherwise might have missed. This was the case in 1994, when I attended the International Quantum Electronics Conference (IQEC) in Anaheim (Baltimore?) in the Spring, and the International Conference on Atomic Physics (ICAP) in Boulder in the Summer. At the IQEC I first learned of the British Telecom results, where they succeeded in transmitting a quantum cryptographic key over 70 km of fiber. I contacted Henry Everitt (alias &quot;Dorothy&quot;) at the Army Research Office (ARO) about this exciting result, and shortly thereafter the ARO planned a workshop in Tucson for the Spring of 1995 on quantum cryptography. Then, later that Summer at ICAP, Ekert gave a talk on Shor&#39;s algorithm, which began the&lt;i&gt;&amp;nbsp;Great Diaspora&lt;/i&gt;&amp;nbsp;for quantum computing. It turned out that Cirac, Kimble, Wineland, Zoller, and many others from the quantum optics community were at this meeting, and they all went off afterwards to their various labs to get to work. For my part, I again contacted Everitt at the ARO about this exciting new &quot;bolt from the blue&quot;, and it was decided to add quantum computing to agenda of the Tucson meeting. So it was that the first Army sponsored workshop on quantum cryptography and quantum computing came about in the Spring of 1995 in Tucson, Arizona, with many of the key players in the room here today present at that meeting.&lt;/blockquote&gt;
  380. &lt;br /&gt;
  381. &lt;blockquote&gt;
  382. Of course the Dorothy character representing the ARO in the cartoon bears no resemblance to any ARO employee, living or dead, no matter what you hear about what he does in the privacy of his own home. The ARO would like a quantum computer, of course, to plan out its logistical strategy for the invasion of Kansas.&lt;br /&gt;
  383. At the Tucson meeting I met for the first time Keith Miller from the National Security Agency (NSA) -- who bears no resemblance to the Scarecrow in the cartoon, singing, &quot;If I only had a (quantum) brain....&quot; Keith was the only workshop attendee who had no affiliation whatsoever printed on his name tag, identifying him immediately by logical deduction as an employee of the NSA. Based in part of the results of this meeting, the NSA and the ARO decided to pool their resources and expertise in the DoD support of quantum computing.&lt;/blockquote&gt;
  384. &lt;blockquote&gt;
  385. With the ARO and the NSA now in cahoots, Henry and Keith were quickly able to round up the prodigious resources available from the Defense Advance Research Projects Agency (DARPA), and bring them to bear towards funding research on quantum computing. DARPA is depicted here as the Tin Man since, as you know if you&#39;ve ever asked them for money,&amp;nbsp;&lt;i&gt;they have no heart.&lt;/i&gt;&lt;/blockquote&gt;
  386. &lt;blockquote&gt;
  387. Things were moving along smoothly for a time in DoD Quantum Computing land, when suddenly I got wind of this here NASA Palm Springs conference. The first question I asked, as I&#39;m sure many of you did, was &quot;Why the heck is NASA working on quantum computing!?&quot; However, since the conference was in such a nice place and in the hopes that NASA might have gigabucks of research money to throw around -- we all showed up here in droves to attend what has been a splendid workshop, thanks to the efforts of Colin Williams and his co-workers. Hence, NASA is depicted in the cartoon as the Cowardly Lion, who took a while to find his courage to get into the field -- but now has come in with a roar.&lt;/blockquote&gt;
  388. &lt;blockquote&gt;
  389. Turning to the academic top portion of the cartoon, we see here in the upper right that the unreachable goal is depicted as&amp;nbsp;&lt;i&gt;The Emerald City of Quantum Computation,&lt;/i&gt;&amp;nbsp;which is ruled over by&amp;nbsp;&lt;i&gt;The Wizard of Odd,&amp;nbsp;&lt;/i&gt;who was meant to have absolutely no resemblance to Charlie Bennett. Opposing the Wizard is the&amp;nbsp;&lt;i&gt;Wicked Witch of Pessimism,&amp;nbsp;&lt;/i&gt;who again bears no resemblance at all to Peter Knight. The &quot;H&quot;on her hat stands for &quot;Hermitian&quot; or &quot;Hamiltonian&quot; or perhaps even &quot;Hadamard&quot; -- but&amp;nbsp;&lt;i&gt;certainly&lt;/i&gt;&amp;nbsp;not &quot;Haroche&quot;. In order to reach the goal of quantum computation, Dorothy and her loyal companions must fight off the Witch&#39;s&amp;nbsp;&lt;i&gt;Flying Monkeys of Decoherence,&lt;/i&gt;&amp;nbsp;but to their rescue comes the Wizard&#39;s&lt;i&gt;&amp;nbsp;Marching Error-Correcting Munchkins.&lt;/i&gt;&amp;nbsp;Will they win the battle and eventually reach the Emerald City? Only time (and lots of government money) will tell.&lt;/blockquote&gt;
  390. &lt;br /&gt;
  391. -- Jonathan P. Dowling&lt;/div&gt;
  392. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/3870225964333423194/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/palm-springs-1988-cartoon.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/3870225964333423194'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/3870225964333423194'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/palm-springs-1988-cartoon.html' title='Palm Springs 1988 Cartoon'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpIwv9mytou8VGh_9RWs1VrZJwQfZd5UIgEM9a3_1pTp9e11CFLyYo1sLshFO8OkzY2Eyr4FiaCljpFfz04I3-d33EHn6ZQp2Tfres7a_RkR5BhbYbijwojKPr8IhOK2mUAd-YewQSiExk/s72-c/Odd.JPG" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-4775284144610615067</id><published>2018-10-07T17:26:00.003-07:00</published><updated>2018-10-08T20:44:47.084-07:00</updated><title type='text'>Dowling&#39;s Hollywood Debut </title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  393. Dowling was a consultant to Steven Spielberg&#39;s prop department on the 2002 movie remake of the H. G. Wells book,&amp;nbsp;&lt;i&gt;&lt;a href=&quot;https://en.wikipedia.org/wiki/The_Time_Machine_%282002_film%29&quot;&gt;The Time Machine&lt;/a&gt;.&lt;/i&gt;&lt;br /&gt;
  394. &lt;br /&gt;
  395. Dowling provided all the equations and figures used in the movie, including those in the&amp;nbsp;&lt;a href=&quot;https://www.youtube.com/watch?v=jOvI3Mh5bDY&quot; target=&quot;_blank&quot;&gt;trailer&amp;nbsp;&lt;/a&gt;and on all the chalkboards that appeared in the film. He carefully wrote down all the equations by hand and faxed them to Spielberg&#39;s Dreamworks studio in Hollywood, where the prop department transcribed them onto the chalkboards. While there are some transcription errors, these are all real equations, but not all about time travel.&lt;br /&gt;
  396. &lt;br /&gt;
  397. In the middle you can see a graph, called a&amp;nbsp;&lt;a href=&quot;https://en.wikipedia.org/wiki/Minkowski_diagram&quot;&gt;Minkowski diagram&lt;/a&gt;, showing the world line of the time machine going outside of the light cone; a hallmark of time travel into the future.&lt;br /&gt;
  398. &lt;br /&gt;
  399. The appearance of the symbol Hg is not a reference to the element mercury, but rather a tip of the hat to H. G. Wells, the author of the original classic book,&amp;nbsp;&lt;a href=&quot;https://en.wikipedia.org/wiki/The_Time_Machine&quot;&gt;&lt;em&gt;The Time Machine&lt;/em&gt;.&lt;/a&gt;&lt;br /&gt;
  400. &lt;br /&gt;
  401. The triple integrals were taken from&amp;nbsp;&lt;a href=&quot;http://www.phys.lsu.edu/~jdowling/publications/Dowling88.pdf&quot;&gt;Dowling&#39;s 1988 PhD thesis&lt;/a&gt;, (with some artistic license) so they would become immortalized on film. For example,&lt;br /&gt;
  402. &lt;br /&gt;
  403. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2e0nQ45PwVbawx7om3aCf5vYZtW7ED2Ok7OuEzIMd8I1aYfnLiajHJH42DLA6nxD62b8LqzMbJ9MDDPWU_g-KWTPvsUBF72GVcttKzB1s3AF3vLxkMsGo1un5wUgRVXJw-TL-7u32UdwY/s1600/Untitled2.png&quot; imageanchor=&quot;1&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;130&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2e0nQ45PwVbawx7om3aCf5vYZtW7ED2Ok7OuEzIMd8I1aYfnLiajHJH42DLA6nxD62b8LqzMbJ9MDDPWU_g-KWTPvsUBF72GVcttKzB1s3AF3vLxkMsGo1un5wUgRVXJw-TL-7u32UdwY/s320/Untitled2.png&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
  404. &lt;br /&gt;
  405. In 2017, one of the original chalkboards, with&amp;nbsp; Dowling&#39;s equations preserved on it, was put on display at the Barbican Art Center in London in an exhibit titled,&amp;nbsp;&lt;a href=&quot;https://www.barbican.org.uk/whats-on/2017/event/into-the-unknown-a-journey-through-science-fiction&quot;&gt;&quot;Into the Unknown —A Journey Through Science Fiction.&quot;&lt;/a&gt;&lt;br /&gt;
  406. &lt;br /&gt;
  407. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBvuusQn_icrJZ1gEhuXg4ROV4ffZYOWXHW02A-n1g98fr8H0YN7kETgdD9JUF1DeQo-33kh_S4N9nW51E4Q5n30AV_VabNEe1phiuYF6pyNxarTQYKYxhyphenhyphenNz_AzXQ4YZCYYJRcQx9HoWh/s1600/TimeMachineLowRes.gif&quot; imageanchor=&quot;1&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBvuusQn_icrJZ1gEhuXg4ROV4ffZYOWXHW02A-n1g98fr8H0YN7kETgdD9JUF1DeQo-33kh_S4N9nW51E4Q5n30AV_VabNEe1phiuYF6pyNxarTQYKYxhyphenhyphenNz_AzXQ4YZCYYJRcQx9HoWh/s320/TimeMachineLowRes.gif&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
  408. &lt;a href=&quot;https://www.reddit.com/r/askmath/comments/6lt6db/chalkboard_prop_from_the_time_machine_2002_at/&quot;&gt;Photo credit with permission from: JohannYellowdog&amp;nbsp;&lt;/a&gt;&lt;br /&gt;
  409. &lt;br /&gt;
  410. While Dowling does not appear in the credits of the film, nor&amp;nbsp; on the description for this museum prop (called a &quot;relic&quot;), if you get the DVD of the film and check out the special features, you will hear the prop guys discuss how a &quot;Scientist at JPL&quot; made all the equations for them. JPL is where Dowling was working at the time in 2001. The Dreamworks prop guy that Dowling worked with was&amp;nbsp;&lt;a href=&quot;https://www.imdb.com/name/nm0536103/&quot;&gt;Scott Maginnis&lt;/a&gt;, and you can find their email exchange, preserved all these years,&amp;nbsp;&lt;a href=&quot;https://www.blogger.com/Equations.pdf&quot;&gt;here&lt;/a&gt;. When Dowling asked Scott why Spielberg called on him to do these equations, Maginnis replied, &quot;Stephen saw an article about your invention of quantum lithography on CNN, and told us that we needed to get you because you were a NASA physicist and would produce&lt;em&gt;&amp;nbsp;real&lt;/em&gt;&amp;nbsp;equations.&quot; That CNN web page is also preserved and may be found&amp;nbsp;&lt;a href=&quot;https://www.blogger.com/CNN.pdf&quot;&gt;here&lt;/a&gt;.&lt;br /&gt;
  411. &lt;br /&gt;
  412. However, with no direct acknowledgment, like all good artists, you can see Jonathan Dowling&#39;s signature in the lower left.&lt;br /&gt;
  413. &lt;br /&gt;
  414. &lt;img alt=&quot;&quot; src=&quot;Untitled.png&quot; /&gt;&lt;br /&gt;
  415. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVXoHi7vo9YJS6d64MoEcYXnuKFYE8-IqXxTJoWnYh9vmUoUsjiHcCZ55S5mGyZzFbPiRlp3a39Vs1b9uypE1eg1MZE4AmzLaVqyAXqjhcUbzsxHI2MALQvCdqxjaqeDGiIa2wewbEZI-3/s1600/Untitled.png&quot; imageanchor=&quot;1&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVXoHi7vo9YJS6d64MoEcYXnuKFYE8-IqXxTJoWnYh9vmUoUsjiHcCZ55S5mGyZzFbPiRlp3a39Vs1b9uypE1eg1MZE4AmzLaVqyAXqjhcUbzsxHI2MALQvCdqxjaqeDGiIa2wewbEZI-3/s400/Untitled.png&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
  416. &lt;br /&gt;
  417. &lt;br /&gt;
  418. Dowling also consulted for Sony Pictures on another time-travel movie, with the working title of&amp;nbsp;&lt;em&gt;Frozen,&amp;nbsp;&lt;/em&gt;which was never produced. (No, not &lt;i&gt;that&lt;/i&gt;&amp;nbsp;&lt;em&gt;Frozen&lt;/em&gt;.)&lt;/div&gt;
  419. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/4775284144610615067/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/dowlings-hollywood-debut.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/4775284144610615067'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/4775284144610615067'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/10/dowlings-hollywood-debut.html' title='Dowling&#39;s Hollywood Debut '/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2e0nQ45PwVbawx7om3aCf5vYZtW7ED2Ok7OuEzIMd8I1aYfnLiajHJH42DLA6nxD62b8LqzMbJ9MDDPWU_g-KWTPvsUBF72GVcttKzB1s3AF3vLxkMsGo1un5wUgRVXJw-TL-7u32UdwY/s72-c/Untitled2.png" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-3417603924938941302</id><published>2018-08-05T00:47:00.001-07:00</published><updated>2018-08-05T00:47:10.016-07:00</updated><title type='text'>Is Your Brain a Quantum Computer? </title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  420.  
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  438. &lt;br /&gt;
  439. From &lt;a href=&quot;https://www.amazon.com/Schr%C3%B6dingers-Killer-App-Quantum-Computer/dp/1439896739&quot; target=&quot;_blank&quot;&gt;Schrödinger&#39;s Killer App&lt;/a&gt;, Chapter six. &lt;br /&gt;&amp;nbsp;&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  440. To close this section, this chapter, and this book I want to talk about quantum biology and particularly the notion that the human brain already is a quantum computer. We must remember that Searle’s strong classical AI hypothesis is just that, a hypothesis. Hypotheses in science must be tested. I like to think it is true and I hope in 20 years or so, when our electronic computers have the same number of transistors and interconnects as our brain has neurons and synapses, we’ll find out. But if the classical computers continue to become more and more powerful without showing signs of self-awareness then perhaps other hypotheses should be considered. Quantum biology is a new area of research that postulates that what I will call the ‘weak’ quantum biology hypothesis. We have seen in this book that quantum physics, particularly quantum entanglement, offers an advantage over classical physics in computational power (on some problems) and in sensing and imaging (in some systems). Often, when nature offers a survival advantage that that biological life form will evolve to take advantage of it. Biological life forms take advantage of light sensors (eyes), sound sensors (ears), touch sensors (skin), and computational power (brains). The better you can see, hear, sense touch, or think the more likely you will be able to survive and pass on your genes for such things. The quantum biology hypothesis states that, since quantum mechanics offers advantages in sensing, imaging, and computing, biological systems should evolve quantum-based sub-systems to take advantage of those advantages. That is, according to the hypothesis, since biology takes advantage of any physiological edge offered to it, there should be biological life forms that already taking advantage of such uniquely quantum features as quantum unreality, uncertainty, and nonlocality.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn1&quot; name=&quot;_ednref1&quot; style=&quot;mso-endnote-id: edn1;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[i]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; &lt;/div&gt;
  441. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  442. &lt;br /&gt;&lt;/div&gt;
  443. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  444. The US Defense Advanced Projects Agency even has a program in quantum biology. American physicist and DARPA program manager Matthew Goodman runs this program. When the program had its kickoff meeting in September of 2008, and somewhat to my puzzlement, Goodman invited me to attend. As I recall I talked to him on the phone and protested that I did not really know much about biology, quantum or otherwise, and that I was not working in the field. Did he really want &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;me&lt;/i&gt; to attend and if so, pray tell, why? The answer was that I was to sit in front as skeptic-in-chief and use ‘the best bullshit detector in the business’ to advise him one what might be good avenues to pursue for research and what might be just a little nuts. I did not know much biology but I sure did know quantum mechanics. This was a role I aspired to. So I showed up in the DC area for the two-day workshop, sat in front next to Goodman, and proceeded to heckle all the speakers. Some of them became a bit irritated with me at first until Goodman and I explained my role and then they lightened up. In fact I think I was useful. Some of the talks seemed sound but some, to me, seemed to be nothing more than quantum numerology. After the conference I gave Goodman my advice on what seemed like good ideas to follow up on and what seemed just silly and every since I have kept one eye on the field of quantum biology. The two particular areas of current interest are in photosynthesis and bird migration. It appears in some photosynthetic bacteria that live in water deep enough to be dark the bacteria harvest photons with an efficiency that cannot, yet, be explained with classical theory alone. The photons arrive at an antenna-like ‘light harvesting’ structure in the photosynthetic bacteria and then with a very high probability, much higher than classical physics can explain, the photon energy is transported to a reaction chamber where it is converted into chemical energy to power the bacteria.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn2&quot; name=&quot;_ednref2&quot; style=&quot;mso-endnote-id: edn2;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[ii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; My complaint about this claim, at least in 2008, was that the experiment that demonstrated the effect was carried out at the frigid temperature of liquid nitrogen, which is –196°C (–321°F). Those bacteria are not doing anything at such a temperature — they are frozen solid! The experiment was suggestive but certainly not conclusive. I recommended DARPA fund the experimenters to redo the experiment at room temperature. Biological organisms on Earth are not selecting for anything at –196°F; they are dead. The experiments have been done at room temperature and although the effect is not quite as startling but — much to my surprise — at least some great degree of quantum coherence, quantum unreality and cat-states, survives at room temperature.&lt;a href=&quot;https://www.blogger.com/null&quot; name=&quot;_Ref206409033&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn3&quot; name=&quot;_ednref3&quot; style=&quot;mso-endnote-id: edn3;&quot; title=&quot;&quot;&gt;&lt;span style=&quot;mso-bookmark: _Ref206409033;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[iii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;&lt;span style=&quot;mso-bookmark: _Ref206409033;&quot;&gt;&lt;/span&gt; I’m puzzled by this result in that in the world of quantum technology often objects must be cooled to very cold temperatures for quantum coherence to survive. As things are heated up the thermally fluctuating environment should tend to destroy the coherence at room temperature. Perhaps nature has, over millions of years of evolution, found a way to protect quantum coherence in warm biological environments or mitigate the effects of the swirling thermal fluctuations in the hot soup of life. Why on Earth is DARPA interested in this stuff? Well if bacteria have found a way to make more efficient photon absorbers perhaps we can learn from them Rather than spend billions on making improved photon collectors for solar cells we just lift the technology out of the bacteria and place it solar panels on our roofs.&lt;/div&gt;
  445. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  446. &lt;br /&gt;&lt;/div&gt;
  447. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  448. A second canonical example of what is suspected to be a quantum biological magnetic field sensor in the brains of migratory birds or more particularly their eyes. It has been known for thirty years that some birds use the very weak Earth’s magnetic field to navigate over trans-global distances. The problem is that all known mechanisms from classical mechanics and ordinary chemistry cannot explain the sensitivity of any biological magnetic field sensor that could do this. So after thirty years it is time to give the quantum biologists a chance. What is known is that the magnetic field sensor is activated when light hits the eye of the bird. The weak quantum biology hypothesis is that the evolutionary advantage to a migratory bird of having and Earth magnetic field sensor would be so strong that if any such mechanism ever arose by chance mutation the evolutionary amplification process of natural selection would size upon it and develop it into a quantum bio-technology that would benefit future generations of bird brains.&lt;/div&gt;
  449. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  450. &lt;br /&gt;&lt;/div&gt;
  451. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  452. The model is that the photons striking the bird retina create a pair of spin-entangled electrons in a chemical reaction, and then those spins respond to the magnetic field with a signal-to-noise greater than say the spins of two uncorrelated electrons. One proposal is that when the pair is one of the four possible two-spin quantum states it produces a chemical that it does not when it is in one of the other three spin states. The strength and orientation of the field determines how many of the pairs are in the one versus three states, and so it is presumed, affects the rate at which the chemical is produced. Then somehow, it is not clear, perhaps the bird sees something it its eyes that corresponds to the magnetic field direction and strength and then uses this information to steer itself on its bi-annual migrations north or south. Again my concern is that quantum entanglement, and the required quantum coherence required to produce it, is very fragile and very quickly destroyed by the thermal fluctuations in the biological environment of a relatively hot living bird. But perhaps evolution has found a way to protect the entanglement that we have not. Evolution is a powerful thing. Or maybe the entanglement only needs to survive a few nanoseconds to do its job and produce the right ratio of chemicals that color the magnetic field across the bird’s field of view. Again, DARPA never met a magnetic field sensor it didn’t like. If we could reverse engineer this quantum bio-technology perhaps we could build room temperature super-sensitive magnetic field sensors that we could then integrate into a chip, the size of a grain of sand, and implant behind our ears to read our minds and allow our teenagers’ teenagers’ teenagers’ teenagers to carry out oblivious pseudo-telepathy with each other [127].&lt;/div&gt;
  453. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  454. &lt;br /&gt;&lt;/div&gt;
  455. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  456. This leads me to what I will call the &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;strong quantum AI biology hypothesis&lt;/i&gt;. This hypothesis has, which today has few followers, been most forcefully argued by British mathematical physicist Roger Penrose in his 1989 book &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;The Emperor’s New Mind,&lt;/i&gt; and less forcefully argued by our old friend Henry Stapp in his 1993 tome, &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Mind, Matter, and Quantum Mechanics.&lt;/i&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn4&quot; name=&quot;_ednref4&quot; style=&quot;mso-endnote-id: edn4;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[iv]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; The strong quantum AI biology hypothesis is in direct contradiction to Searle’s strong classical AI hypotheses, and it states that &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;no&lt;/i&gt; appropriately programmed &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;classical&lt;/i&gt; computer with the right inputs and outputs, no matter how powerful, will ever have a mind in exactly the same sense human beings have minds — that is human minds are fundamentally different than classical computers and that quantum mechanics is required to explain human consciousness. That is, the strong quantum AI biology hypothesis posits that the human mind is in fact already a quantum computer; that hundreds of thousands of years ago some quantum effect or effects arose by mutation in the mind of our ancestors and gave our brains a computational advantage over the rival progenitors running on meat processors only. As evolution is wont to do, this slight computational advantage was greatly amplified through the process of natural selection until it produced the end result; the human mind. The strong quantum AI biology hypothesis states that we have already met the sentient quantum computer and that he is us!&lt;/div&gt;
  457. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  458. &lt;br /&gt;&lt;/div&gt;
  459. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  460. Stapp’s argument stems from his belief that that human mind routinely engages in ESP and that quantum entanglement is needed to explain ESP and so the human mind must be fundamentally quantum. As I have argued vociferously above, after 50 years of controlled experiments, there is absolutely no evidence for ESP and plenty of evidence against it. ESP does not exist and so there is no need to posit quantum mechanical processes in the brain to explain it. Stapp’s logic seems to me to be that he does not understand how quantum mechanics works, and he does not understand how ESP works, and so he argues that quantum mechanics is required to explain his how the mind engages in ESP. I dismiss this argument out of hand since ESP does not exist and so does not need explaining. Trickier is the argument of Penrose. Penrose simply rejects the strong classical AI hypothesis. That is Penrose declares, without any evidence to support his position, that no classical computer, no matter how powerful, can ever have a mind in the same way that a human has a mind. I have read his book and heard him talk on the subject and as far as I can tell his argument goes like this. Penrose does not understand how quantum mechanics works, and he does not understand how his brain works, and hypothesizes the quantum mechanics is needed to understand the working of the mind. I suspect Penrose just looks at his desktop PC and thinks that, There is no way that thing will ever be as smart as me!” To be fair there is no evidence for the strong &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;classical&lt;/i&gt; AI hypothesis but we might want to rule it out first based on experiment before invoking the strong quantum AI biology hypothesis. Revulsion at the thought of your desktop PC someday having a mind equivalent to your own is not experimental evidence for rejecting the strong classical AI hypothesis. Those of us who watch the television series &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Star Trek&lt;/i&gt; not only find some appeal in machine minds but I daresay some of us even identify with such android humanoids such as Lt. Commander Data.&lt;/div&gt;
  461. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  462. &lt;br /&gt;&lt;/div&gt;
  463. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  464. The problem that I have with Penrose’s strong quantum AI biology hypothesis is similar to that I had with the light harvesting bacteria and the magnetic bird sensor. Delicate features of quantum weirdness, unreality, uncertainty, and nonlocality, are easily destroyed by the thermal fluctuations of the environment, which are particularly severe in hot-blooded animals such as birds and humans. As American astrophysicist Carl Sagan was fond of saying, “Extraordinary claims require extraordinary evidence.” The claim that that some bacteria have evolutionary exploited weak quantum effects to make better photoreceptors or the claim that some birds have evolutionary exploited weak quantum entanglement to make better magnetic fields sensors are not extraordinary claims and so a few tight non-extraordinary experiments on the bacteria and the birds should be enough to prove this one way or another to my satisfaction. I will be a little surprised if the weak quantum biology hypothesis turns out to be true but when I am surprised I am happy. If these experiments pan out then it will be very interesting to learn what nature has done to protect these weak quantum effects from the thermal environment and indeed perhaps we can exploit what nature has done to make better photoreceptors and magnetic field sensors.&lt;/div&gt;
  465. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  466. &lt;br /&gt;&lt;/div&gt;
  467. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  468. However Penrose’s strong quantum AI biology hypothesis is orders of magnitude more extraordinary and so the evidence to prove it needs to be orders of magnitude more extraordinary. It is a long way to go from nature having found a way to protect a few quantum states so that pigeons can migrate to nature has found a way to build a large-scale quantum computer in our noggins so that we can think. In &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;The Emperor’s New Mind,&lt;/i&gt; Penrose offered no concrete model for just how quantum entanglement would lead to consciousness.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn5&quot; name=&quot;_ednref5&quot; style=&quot;mso-endnote-id: edn5;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[v]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; It was just a lot of wishful thinking and the reviling of the strong classical AI hypothesis. After falling into cahoots with the notorious anesthesiologist and hawker of quantum consciousness, Stuart Hameroff, Penrose published a 1994 book called &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Shadows of the Mind&lt;/i&gt;, where he proposed changing quantum theory to fit his hypothesis of quantum consciousness and further proposed that, without any evidence whatsoever, that there are ‘microtubules’ in the brain that somehow store and protect from thermal noise the fragile quantum entangled states purportedly needed to explain human consciousness.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn6&quot; name=&quot;_ednref6&quot; style=&quot;mso-endnote-id: edn6;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[vi]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; My bullshit detector simply pegged. Change the laws of quantum mechanics to fit your hypothesis? Postulate, with no evidence, microtubules in the brain to support your hypothesis? When you start changing the rules of the game to fit your pet hypothesis this then is the hallmark of pathological science.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn7&quot; name=&quot;_ednref7&quot; style=&quot;mso-endnote-id: edn7;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[vii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; To summarize there is, in spite of a brief experimental search, no evidence of ‘microtubules’ in the brain that store quantum states, much less that the brain uses them as quantum processors to generate human consciousness.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn8&quot; name=&quot;_ednref8&quot; style=&quot;mso-endnote-id: edn8;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[viii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; As far I can see there is also no reason at all to change the laws of quantum mechanics — the most successful theory of all time.&lt;/div&gt;
  469. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  470. &lt;br /&gt;&lt;/div&gt;
  471. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  472. What is Penrose’s beef with the classical computer? From reading &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;The Emperor’s New Mind&lt;/i&gt; it is difficult to tell as that book is all over the map. The reader is introduced a wildly disparate collection of topics such as Newtonian mechanics, quantum mechanics, cosmology, and quantum gravity before Penrose attacks the strong AI hypothesis in the last couple of chapters. No physicist in his or her right mind would think quantum gravity has anything to do human consciousness. Nor would any evolutionary biologist. Again it is one thing to posit that evolution has made better bacterium photoreceptor using bits quantum flotsam and jetsam and quite another thing to propose that evolution has harnessed the hypothesized quantum fluctuations of space and time in order to build a human mind. The human mind is about 10 centimeters across while quantum fluctuations in space are about 10&lt;sup&gt;–33&lt;/sup&gt; centimeters across. How on Earth would evolution in a series of gradual steps bridge those 32 orders of magnitude in distance to harness quantum gravity and why on Earth would it need too? Once you dig through mountains of chaff in his book you find one single kernel of barley. Writing in 1989, Penrose complains that all electronic computers of that age are classical universal computers in the Turing sense, which is equivalent to a classical Turing machine, and for that reason can never mimic the behavior of the human mind. He might have had a point in 1989 but since then all sorts of new classical computing paradigms have sprung up. Searle’s strong AI hypothesis states, “The appropriately programmed computer with the right inputs and outputs would thereby have a mind in exactly the same sense human beings have minds,” but never specifies that the computer must be algorithmically equivalent to a Turing machine. The claim that all electronic computers must be equivalent to ordinary Turing machines is Penrose’s own personal straw man, which he then merrily ignites with a blowtorch and then dances gleefully about the flames whilst lobbing Molotov cocktails in the pyre.&lt;/div&gt;
  473. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  474. &lt;br /&gt;&lt;/div&gt;
  475. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  476. The reader may wonder why at this very late junction I have decided to hammer on Penrose and then Hameroff. Well aside from the point that the Rube Goldberg constructions, modified quantum theory and unseen microtubules, they require to provide a quantum basis for human consciousness are just silly, there is no need to invoke such a quantum basis, at least not yet. The idea that human consciousness is quantum based, Penrose’s strong quantum AI biology hypothesis, is an extraordinary claim. But in spite of all the smoke from his smoldering smudge pot of his burning straw man, I find very little in the way of flames. There is no evidence at all to support this claim much less the &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;extraordinary&lt;/i&gt; evidence that Sagan would require. There is no reason yet at all to rule out Searle’s strong classical AI hypothesis. Penrose’s quixotic attack on the Turing machine model of computation is completely off base. The real surprise is that Turing’s simple model of computation has taken us as far as it has and not that it is the end of the story of classical computation. As I have related above, neuroscientists conjecture that human consciousness lies all in the synapses, the interconnects in the brain.&lt;/div&gt;
  477. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  478. &lt;br /&gt;&lt;/div&gt;
  479. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  480. When Penrose penned his first book in 1989 on this topic, The Emperor’s New Mind, the science of artificial neural networks was mildly popular. Now it is wildly popular. Neural networks are models of very classical computing that are actually taken from models of the human brain. Lots of transistors, lots of interconnects, and lots of feedback loops. Some artificial neural networks are equivalent to Turing machines but others appear to be super-Turing, which is they have properties that transcend the simple computational model of computing Turing proposed eighty years ago. Penrose is attacking an eighty-year old model of computing. It would be a surprise if there had been no progress in classical computing since them. The field of super-Turing machines, while not without its own controversies, provides a framework where a neural network can carry out tasks not in the usual universal computing framework, the framework Penrose attacks. Particularly interesting is that super-Turing machines may have a reflexive or self-referential or highly recursive. That is super-Turing computers have a built in ability to think about themselves, a hallmark of human consciousness.&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_edn9&quot; name=&quot;_ednref9&quot; style=&quot;mso-endnote-id: edn9;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[ix]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; Hofstadter in his 2007 book, &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;I Am A Strange Loop&lt;/i&gt;, expounds on this idea an particularly makes the case that sufficiently complex but classical self-referential systems, such as possibly neural networks, will necessarily develop an illusion of self and therefore posses unique properties of a human mind. This is all not proved and worked out and itself constitutes and extraordinary claim, a sufficiently powerful artificial neural network will have a mind in the same way a human has a mind, but such a statement falls in the purview of the Searle’s strong AI hypothesis; Searle never claimed his powerful computer was a Turing machine, only Penrose claimed this. My point is that this neat set of ideas needs to be investigated and ruled in or ruled out before invoking quantum gravity or microtubules or whatnot to explain human consciousness. In 20 or 30 years we shall build (and perhaps eventually merge with) a powerful, self-referential, but still classical AI, a super-Turing AI, based on an artificial neural networks with a 100 billion transistors and a 100 trillion interconnects and we shall wait to see if it wakes up and talks to us and then passes the classical Turing test for consciousness. If it does not and then we continue onwards for 40 or 50 years with a trillion transistors and a quadrillion interconnects and still no sign of sentient life, well then we can start revisiting the strong classical AI hypothesis and perhaps reject it; but not now.&lt;/div&gt;
  481. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  482. &lt;br /&gt;&lt;/div&gt;
  483. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  484. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;The reason I have spent so much time on Penrose’s proposal is that I think Searle’s strong classical AI hypothesis is right. Quantum mechanics need not be invoked to explain the human mind. I am, still in the end, proud to be a meat computer. But I also believe in my own strong quantum AI hypothesis, which I want to carefully peel away from Penrose’s strong quantum AI &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;biology&lt;/i&gt; hypothesis. &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;There will someday arise a quantum mind.&lt;/i&gt; The appropriately programmed and sufficiently powerful quantum computer, with the right inputs and outputs, have a mind in exactly the same sense human beings have minds, but it will have a mind that, unlike me, also thinks in Hilbert space and therefore super-exponentially transcends the human mind. If Penrose is right and my mind is a quantum computer, well then my mind is a particularly lousy quantum computer. I can immediately construct a question for the quantum Turing test that I myself cannot pass. Says the quantum mind to me, “Dowling! Can you factor this hundred-digit integer into its composite primes in under a second?” No, I confess, to it, I cannot. If Penrose is right and I am some sort of quantum computer then I am the crapola of all quantum computers. I make this point precisely so that when the true quantum technology based quantum mind comes online in a hundred years the acolytes of the Church of the Larger Penrose Space do not waive ancient tattered copies of his book about and declare victory — that Penrose was right all along and that consciousness does indeed require quantum theory. I would extol them to remember he only claimed that my meat computer, my mind, requires quantum theory and not that quantum mind that emerges from our quantum technologies in a hundred years. What will that quantum mind be? Well I can try to predict exponential growth but I dare not try to predict super-exponential growth. What will a self-replicating life form that thinks in Hilbert space be like? Well I don’t know but it will think in a fundamentally different way than I do. When it arises from our quantum technologies what we will it do to us, or what will we do to it?&lt;/div&gt;
  485. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  486. &lt;br /&gt;&lt;/div&gt;
  487. &lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 0in; margin-right: -17.05pt; margin-top: 0in;&quot;&gt;
  488. But is your brain a quantum computer? Probably not.&amp;nbsp; &lt;/div&gt;
  489. &lt;div style=&quot;mso-element: endnote-list;&quot;&gt;
  490. &lt;br clear=&quot;all&quot; /&gt;
  491.  
  492. &lt;hr align=&quot;left&quot; size=&quot;1&quot; width=&quot;33%&quot; /&gt;
  493.  
  494.  
  495.  
  496. &lt;div id=&quot;edn1&quot; style=&quot;mso-element: endnote;&quot;&gt;
  497.  
  498. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  499. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref1&quot; name=&quot;_edn1&quot; style=&quot;mso-endnote-id: edn1;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[i]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “Quantum Biology,” in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Wikipedia&lt;/i&gt; (Wikimedia Foundation, 12 August 2012) &amp;lt;http://en.wikipedia.org/wiki/Quantum_biology&amp;gt;.&lt;/div&gt;
  500. &lt;/div&gt;
  501. &lt;div id=&quot;edn2&quot; style=&quot;mso-element: endnote;&quot;&gt;
  502.  
  503. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  504. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref2&quot; name=&quot;_edn2&quot; style=&quot;mso-endnote-id: edn2;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[ii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “Quantum Secrets of Photosynthesis Revealed,” by Lynn Yarris in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Research News&lt;/i&gt; (Lawerence Berkely Lab, 12 April 2007) &amp;lt;http://www.lbl.gov/Science-Articles/Archive/PBD-quantum-secrets.html&amp;gt;.&lt;/div&gt;
  505. &lt;/div&gt;
  506. &lt;div id=&quot;edn3&quot; style=&quot;mso-element: endnote;&quot;&gt;
  507.  
  508. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  509. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref3&quot; name=&quot;_edn3&quot; style=&quot;mso-endnote-id: edn3;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[iii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “The Physics of Life: The Dawn of Quantum Biology,” by Phillip Ball in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Nature&lt;/i&gt;, Volume 474 (2011) pages 272–274 &amp;lt;http://www.nature.com/news/2011/110615/full/474272a.html&amp;gt;.&lt;/div&gt;
  510. &lt;/div&gt;
  511. &lt;div id=&quot;edn4&quot; style=&quot;mso-element: endnote;&quot;&gt;
  512.  
  513. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  514. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref4&quot; name=&quot;_edn4&quot; style=&quot;mso-endnote-id: edn4;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[iv]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;The Emperor’s New Mind,&lt;/i&gt; by Roger Penrose (Oxford University Press, 1989) &amp;lt;http://www.worldcat.org/oclc/19724273&amp;gt;; and &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Mind, Matter, and Quantum Mechanics&lt;/i&gt;, by Henry P. Stapp (Springer, 1993) &amp;lt;http://www.worldcat.org/oclc/28147220&amp;gt;.&lt;/div&gt;
  515. &lt;/div&gt;
  516. &lt;div id=&quot;edn5&quot; style=&quot;mso-element: endnote;&quot;&gt;
  517.  
  518. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  519. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref5&quot; name=&quot;_edn5&quot; style=&quot;mso-endnote-id: edn5;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[v]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “The Emperor’s New Mind,” in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Wikipedia&lt;/i&gt; (Wikimedia Foundation, 13 August 2012) &amp;lt;http://en.wikipedia.org/wiki/The_Emperor%27s_New_Mind&amp;gt;.&lt;/div&gt;
  520. &lt;/div&gt;
  521. &lt;div id=&quot;edn6&quot; style=&quot;mso-element: endnote;&quot;&gt;
  522.  
  523. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  524. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref6&quot; name=&quot;_edn6&quot; style=&quot;mso-endnote-id: edn6;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[vi]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “Is the Brain a Quantum Device?” by Victor Stenger in the &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Skeptical Inquirer&lt;/i&gt;, Volume 18.1 (2008) &amp;lt;http://www.csicop.org/sb/show/is_the_brain_a_quantum_device/&amp;gt;&lt;/div&gt;
  525. &lt;/div&gt;
  526. &lt;div id=&quot;edn7&quot; style=&quot;mso-element: endnote;&quot;&gt;
  527.  
  528. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  529. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref7&quot; name=&quot;_edn7&quot; style=&quot;mso-endnote-id: edn7;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[vii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “Pathological Science,” in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Wikipedia&lt;/i&gt; (Wikimedia Foundation, 14 August 2012) &amp;lt; http://en.wikipedia.org/wiki/Pathological_science&amp;gt;.&lt;/div&gt;
  530. &lt;/div&gt;
  531. &lt;div id=&quot;edn8&quot; style=&quot;mso-element: endnote;&quot;&gt;
  532.  
  533. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  534. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref8&quot; name=&quot;_edn8&quot; style=&quot;mso-endnote-id: edn8;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[viii]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “Shadows of the Mind,” in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Wikipedia&lt;/i&gt; (Wikimedia Foundation, 13 August 2012) &amp;lt;http://en.wikipedia.org/wiki/Shadows_of_the_Mind:_A_Search_for_the_Missing_Science_of_Consciousness&amp;gt;.&lt;/div&gt;
  535. &lt;/div&gt;
  536. &lt;div id=&quot;edn9&quot; style=&quot;mso-element: endnote;&quot;&gt;
  537.  
  538. &lt;div class=&quot;MsoEndnoteText&quot;&gt;
  539. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318#_ednref9&quot; name=&quot;_edn9&quot; style=&quot;mso-endnote-id: edn9;&quot; title=&quot;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;mso-special-character: footnote;&quot;&gt;&lt;span class=&quot;MsoEndnoteReference&quot;&gt;&lt;span style=&quot;font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: &amp;quot;Times New Roman&amp;quot;; mso-fareast-language: EN-US;&quot;&gt;[ix]&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/a&gt; See, “Hypercomputation,” in &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;Wikipedia&lt;/i&gt; (Wikimedia Foundation, 13 August 2012) &amp;lt;http://en.wikipedia.org/wiki/Hypercomputation&amp;gt;.&lt;/div&gt;
  540. &lt;/div&gt;
  541. &lt;/div&gt;
  542. &lt;style&gt;@font-face { font-family: &quot;Cambria Math&quot;; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0in 0in 12pt; text-align: justify; font-size: 12pt; font-family: &quot;Times New Roman&quot;, serif; }span.MsoEndnoteReference { font-family: &quot;Times New Roman&quot;, serif; vertical-align: super; }p.MsoEndnoteText, li.MsoEndnoteText, div.MsoEndnoteText { margin: 0in 0in 12pt; font-size: 12pt; font-family: &quot;Times New Roman&quot;, serif; }span.EndnoteTextChar { }.MsoChpDefault { font-size: 10pt; }div.WordSection1 { }&lt;/style&gt;&lt;/div&gt;
  543. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/3417603924938941302/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/08/is-your-brain-quantum-computer.html#comment-form' title='1 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/3417603924938941302'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/3417603924938941302'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/08/is-your-brain-quantum-computer.html' title='Is Your Brain a Quantum Computer? '/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-5428088279758889344</id><published>2018-08-05T00:43:00.001-07:00</published><updated>2018-08-05T00:43:14.686-07:00</updated><title type='text'>Interpretation of Quantum Mechanics for Cats</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  544. &lt;br /&gt;
  545. &lt;div class=&quot;MsoNormal&quot;&gt;
  546. &lt;b style=&quot;mso-bidi-font-weight: normal;&quot;&gt;&lt;span style=&quot;font-size: 22.0pt;&quot;&gt;Copenhagen&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;
  547. &lt;div class=&quot;MsoNormal&quot;&gt;
  548. &lt;br /&gt;&lt;/div&gt;
  549. &lt;div class=&quot;MsoNormal&quot;&gt;
  550. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  551. &lt;/div&gt;
  552. According to the Copenhagen interpretation, physical systems generally do not have definite properties prior to being measured, and quantum mechanics can only predict the probabilities that measurements will produce certain results. The act of measurement affects the system, causing the set of probabilities to reduce to only one of the possible values immediately after the measurement. This feature is known as wave function collapse.&lt;/div&gt;
  553. &lt;div class=&quot;MsoNormal&quot;&gt;
  554. &lt;br /&gt;&lt;/div&gt;
  555. &lt;div class=&quot;MsoNormal&quot;&gt;
  556. &lt;span style=&quot;mso-no-proof: yes;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
  557. &lt;br style=&quot;mso-special-character: line-break;&quot; /&gt;&lt;/div&gt;
  558. &lt;div class=&quot;MsoNormal&quot;&gt;
  559. &lt;br /&gt;&lt;/div&gt;
  560. &lt;div class=&quot;MsoNormal&quot;&gt;
  561. &lt;b style=&quot;mso-bidi-font-weight: normal;&quot;&gt;&lt;span style=&quot;font-size: 22.0pt;&quot;&gt;Many Worlds&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;
  562. &lt;div class=&quot;MsoNormal&quot;&gt;
  563. &lt;br /&gt;&lt;/div&gt;
  564. &lt;div class=&quot;MsoNormal&quot;&gt;
  565. The many-worlds interpretation is an interpretation of quantum mechanics that asserts the objective reality of the universal wavefunction and denies the actuality of wavefunction collapse. Many-worlds implies that all possible alternate histories and futures are real, each representing an actual &quot;world&quot; (or &quot;universe&quot;).&lt;/div&gt;
  566. &lt;div class=&quot;MsoNormal&quot;&gt;
  567. &lt;br /&gt;&lt;/div&gt;
  568. &lt;div class=&quot;MsoNormal&quot;&gt;
  569. &lt;span style=&quot;mso-no-proof: yes;&quot;&gt;&lt;/span&gt;&lt;/div&gt;
  570. &lt;div class=&quot;MsoNormal&quot;&gt;
  571. &lt;br /&gt;&lt;/div&gt;
  572. &lt;div class=&quot;MsoNormal&quot;&gt;
  573. &lt;br /&gt;&lt;/div&gt;
  574. &lt;div class=&quot;MsoNormal&quot;&gt;
  575. &lt;span style=&quot;font-size: 22.0pt;&quot;&gt;Bohmian &lt;/span&gt;&lt;/div&gt;
  576. &lt;div class=&quot;MsoNormal&quot;&gt;
  577. &lt;br /&gt;&lt;/div&gt;
  578. &lt;div class=&quot;MsoNormal&quot;&gt;
  579. The de Broglie–Bohm theory, also known as the pilot wave theory, Bohmian mechanics, Bohm&#39;s interpretation, and the causal interpretation, is an interpretation of quantum mechanics. In addition to a wavefunction on the space of all possible configurations, it also postulates an actual configuration that exists even when unobserved.&lt;/div&gt;
  580. &lt;div class=&quot;MsoNormal&quot;&gt;
  581. &lt;br /&gt;&lt;/div&gt;
  582. &lt;div class=&quot;MsoNormal&quot;&gt;
  583. &lt;span style=&quot;mso-no-proof: yes;&quot;&gt;&lt;/span&gt;&lt;/div&gt;
  584. &lt;div class=&quot;MsoNormal&quot;&gt;
  585. &lt;br /&gt;&lt;/div&gt;
  586. &lt;div class=&quot;MsoNormal&quot;&gt;
  587. &lt;br /&gt;&lt;/div&gt;
  588. &lt;div class=&quot;MsoNormal&quot;&gt;
  589. &lt;span style=&quot;font-size: 24.0pt;&quot;&gt;Transactional &lt;/span&gt;&lt;/div&gt;
  590. &lt;div class=&quot;MsoNormal&quot;&gt;
  591. &lt;br /&gt;&lt;/div&gt;
  592. &lt;div class=&quot;MsoNormal&quot;&gt;
  593. The transactional interpretation of quantum mechanics (TIQM) by John G. Cramer is an interpretation of quantum mechanics inspired by the Wheeler–Feynman absorber theory. It describes the collapse of the wave function as resulting from a time-symmetric transaction between a possibility wave from the source to the receiver (the wave function) and a possibility wave from the receiver to source (the complex conjugate of the wave function). Since the possibility wave is collapsed by interaction with the receiver, consciousness plays no role in the theory, eliminating Schrödinger&#39;s cat paradox.&lt;/div&gt;
  594. &lt;div class=&quot;MsoNormal&quot;&gt;
  595. &lt;br /&gt;&lt;/div&gt;
  596. &lt;div class=&quot;MsoNormal&quot;&gt;
  597. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  598. &lt;/div&gt;
  599. &lt;br /&gt;
  600. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  601. &lt;/div&gt;
  602. &lt;span style=&quot;mso-no-proof: yes;&quot;&gt;&lt;/span&gt;&lt;/div&gt;
  603. &lt;div class=&quot;MsoNormal&quot;&gt;
  604. &lt;br /&gt;&lt;/div&gt;
  605. &lt;div class=&quot;MsoNormal&quot;&gt;
  606. &lt;br /&gt;&lt;/div&gt;
  607. &lt;div class=&quot;MsoNormal&quot;&gt;
  608. &lt;b style=&quot;mso-bidi-font-weight: normal;&quot;&gt;&lt;span style=&quot;font-size: 24.0pt;&quot;&gt;Consistent Histories&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;
  609. &lt;div class=&quot;MsoNormal&quot;&gt;
  610. &lt;br /&gt;&lt;/div&gt;
  611. &lt;div class=&quot;MsoNormal&quot;&gt;
  612. This interpretation of quantum mechanics is based on a consistency criterion that then allows probabilities to be assigned to various alternative histories of a system such that the probabilities for each history obey the rules of classical probability while being consistent with the Schrödinger equation. In contrast to some interpretations of quantum mechanics, particularly the Copenhagen interpretation, the framework does not include &quot;wavefunction collapse&quot; as a relevant description of any physical process, and emphasizes that measurement theory is not a fundamental ingredient of quantum mechanics.&lt;/div&gt;
  613. &lt;div class=&quot;MsoNormal&quot;&gt;
  614. &lt;br /&gt;&lt;/div&gt;
  615. &lt;div class=&quot;MsoNormal&quot;&gt;
  616. &lt;span style=&quot;mso-no-proof: yes;&quot;&gt;&lt;/span&gt;&lt;/div&gt;
  617. &lt;div class=&quot;MsoNormal&quot;&gt;
  618. &lt;br /&gt;&lt;/div&gt;
  619. &lt;div class=&quot;MsoNormal&quot;&gt;
  620. &lt;br /&gt;&lt;/div&gt;
  621. &lt;div class=&quot;MsoNormal&quot;&gt;
  622. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  623. &lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;a href=&quot;https://www.blogger.com/blogger.g?blogID=2101270763528104318&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;/a&gt;&lt;/div&gt;
  624. &lt;b style=&quot;mso-bidi-font-weight: normal;&quot;&gt;&lt;span style=&quot;font-size: 24.0pt; mso-bidi-font-size: 12.0pt;&quot;&gt;Montevideo&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;
  625. &lt;div class=&quot;MsoNormal&quot;&gt;
  626. &lt;br /&gt;&lt;/div&gt;
  627. &lt;div class=&quot;MsoNormal&quot;&gt;
  628. Suggests that quantum gravity makes for fundamental limitations on the accuracy of clocks, which imply a type of decoherence.&lt;/div&gt;
  629. &lt;div class=&quot;MsoNormal&quot;&gt;
  630. &lt;br /&gt;&lt;/div&gt;
  631. &lt;div class=&quot;MsoNormal&quot;&gt;
  632. &lt;span style=&quot;mso-no-proof: yes;&quot;&gt;&lt;/span&gt;&lt;/div&gt;
  633. &lt;style&gt; &lt;!-- /* Font Definitions */ @font-face  {font-family:&quot;Cambria Math&quot;;  panose-1:2 4 5 3 5 4 6 3 2 4;  mso-font-charset:0;  mso-generic-font-family:roman;  mso-font-pitch:variable;  mso-font-signature:3 0 0 0 1 0;} @font-face  {font-family:Calibri;  panose-1:2 15 5 2 2 2 4 3 2 4;  mso-font-charset:0;  mso-generic-font-family:swiss;  mso-font-pitch:variable;  mso-font-signature:-536859905 -1073732485 9 0 511 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal  {mso-style-unhide:no;  mso-style-qformat:yes;  mso-style-parent:&quot;&quot;;  margin:0in;  margin-bottom:.0001pt;  mso-pagination:widow-orphan;  font-size:12.0pt;  font-family:&quot;Calibri&quot;,sans-serif;  mso-ascii-font-family:Calibri;  mso-ascii-theme-font:minor-latin;  mso-fareast-font-family:Calibri;  mso-fareast-theme-font:minor-latin;  mso-hansi-font-family:Calibri;  mso-hansi-theme-font:minor-latin;  mso-bidi-font-family:&quot;Times New Roman&quot;;  mso-bidi-theme-font:minor-bidi;} .MsoChpDefault  {mso-style-type:export-only;  mso-default-props:yes;  font-family:&quot;Calibri&quot;,sans-serif;  mso-ascii-font-family:Calibri;  mso-ascii-theme-font:minor-latin;  mso-fareast-font-family:Calibri;  mso-fareast-theme-font:minor-latin;  mso-hansi-font-family:Calibri;  mso-hansi-theme-font:minor-latin;  mso-bidi-font-family:&quot;Times New Roman&quot;;  mso-bidi-theme-font:minor-bidi;} @page WordSection1  {size:8.5in 11.0in;  margin:1.0in 1.0in 1.0in 1.0in;  mso-header-margin:.5in;  mso-footer-margin:.5in;  mso-paper-source:0;} div.WordSection1  {page:WordSection1;} --&gt; &lt;/style&gt;&lt;/div&gt;
  634. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/5428088279758889344/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/08/interpretation-of-quantum-mechanics-for.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5428088279758889344'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5428088279758889344'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/08/interpretation-of-quantum-mechanics-for.html' title='Interpretation of Quantum Mechanics for Cats'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-4822496173910562378</id><published>2018-05-27T16:38:00.001-07:00</published><updated>2018-05-27T16:38:23.473-07:00</updated><title type='text'>Interpreting the interpretations</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
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  653. &lt;br /&gt;
  654. &lt;div class=&quot;Default&quot; style=&quot;margin-bottom: 12.0pt; text-align: justify; text-justify: inter-ideograph;&quot;&gt;
  655. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;I was weaned on the foundations of quantum mechanics. My PhD thesis was on an alternative interpretation of quantum electrodynamics. I leap from the Copenhagen interpretation to the many-worlds interpretation in the blink of a photon. I have attended many workshops on the foundations of quantum mechanics. Not so long ago these workshops were held with minimal funding in seedy places such as the Super 8 Motel at Newark Airport in New Jersey, attended by a mixed smattering of deep thinkers and dangerous cranks. &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
  656. &lt;span style=&quot;font-size: large;&quot;&gt; &lt;/span&gt;&lt;div class=&quot;CM1&quot; style=&quot;line-height: normal; margin-bottom: 12.0pt; text-align: justify; text-indent: 8.35pt; text-justify: inter-ideograph;&quot;&gt;
  657. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;However, since the advent of quantum computing and Peter Shor&#39;s algorithm for breaking secret codes — all spin­offs from fundamental physics - the foundations of quan­tum mechanics has taken on a new aura of respectability and an infusion of cash from various top-secret agencies. Instead of dodgy motels in Newark, we now meet at up-market resorts on the island of Capri in the Adriatic Sea. Attendance is way up, but the ratio of deep thinkers to dangerous cranks remains constant. &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
  658. &lt;span style=&quot;font-size: large;&quot;&gt; &lt;/span&gt;&lt;div class=&quot;CM1&quot; style=&quot;line-height: normal; margin-bottom: 12.0pt; text-align: justify; text-indent: 8.35pt; text-justify: inter-ideograph;&quot;&gt;
  659. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;While quantum mechanics is still one of the most suc­cessful theories around, the interpretation of quantum mechanics has always been something of a controversial subject. The conflagration ignited by the debates between Bohr and Einstein continues to rage across the metaphysical landscape. As I think Will Rodgers once said: &quot;I never met a physical landscape I didn&#39;t like.&quot; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
  660. &lt;span style=&quot;font-size: large;&quot;&gt; &lt;/span&gt;&lt;div class=&quot;CM2&quot; style=&quot;line-height: normal; margin-bottom: 12.0pt; text-align: justify; text-indent: 8.25pt; text-justify: inter-ideograph;&quot;&gt;
  661. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;At several recent workshops, a physics-by-ballot phe­nomenon has arisen whereby a call for a vote on various interpretations of quantum mechanics is made. Interestingly, the Copenhagen interpretation no longer garnet&#39;s even a simple majority! (I&#39;m sure the Copenhagen interpretation must now know how President George W Bush feels.) Typically, the Copenhageners get the biggest share of the votes, followed by the many-worlders and the Bohmians. Then a smattering of votes pop up here and there for Cramer&#39;s transactional interpretation, the consistent-histories interpretation, or some other interpret­ation cooked up at a bar the night before. &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
  662. &lt;span style=&quot;font-size: large;&quot;&gt; &lt;/span&gt;&lt;div class=&quot;CM1&quot; style=&quot;line-height: normal; margin-bottom: 12.0pt; text-align: justify; text-indent: 8.35pt; text-justify: inter-ideograph;&quot;&gt;
  663. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;A colleague and I once invented the &quot;many-beers&quot; interpretation at a bar near Pisa. &lt;span style=&quot;color: #b45f06;&quot;&gt;&lt;b&gt;With zero beers, quantum mechanics makes no sense.&lt;/b&gt;&lt;/span&gt; With one, you get an inkling. With two, things seem clear. With three, all mysteries are revealed. With four, things get foggy. And with five, quan­tum mechanics makes no sense once again. &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
  664. &lt;span style=&quot;font-size: large;&quot;&gt; &lt;/span&gt;&lt;div class=&quot;CM2&quot; style=&quot;line-height: normal; margin-bottom: 12.0pt; text-align: justify; text-indent: 8.25pt; text-justify: inter-ideograph;&quot;&gt;
  665. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;In an effort to explain this perplexing trend, I&#39;ve de­veloped — in the bar the night before — an interpretation of interpretations of quantum mechanics that is best explained in the form of an allegory. In my flat in Los Angeles, I have wall-to-wall carpeting. When I first moved in, the cable TV guy showed up to install some cable, which required pulling up the carpet. My Shetland sheepdog, Charla, seeing this fellow ambling about on his hands and knees, assumed it was time to play fetch with her rubber ball. The ball was dropped on the floor and accidentally ended up stapled under the carpet. So now I have this ball under my carpet that I can move freely about the flat, but which I cannot remove unless I pull up the carpet again. &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
  666. &lt;span style=&quot;font-size: large;&quot;&gt; &lt;/span&gt;&lt;div class=&quot;CM3&quot; style=&quot;line-height: normal; margin-bottom: 12.0pt; text-indent: 8.25pt;&quot;&gt;
  667. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;In this metaphor, the carpet is the fabric of classical reality, while the ball is the indestructible nugget of quan­tum weirdness. There is a one-to-one mapping of interpretations to rooms. So, if you imagine a plan of my flat, you&#39;ll find the Bohmian interpretation in the bathroom, the many-worlds in the kitchen and the Copenhagen in &lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;the living room. (The one exception is the bedroom: I can&#39;t help it if you don&#39;t know any better than to discuss interpretations of quantum mechanics in the bedroom.) &lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: large;&quot;&gt; &lt;span style=&quot;color: black; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;With this idea of the ball being in different rooms, we can now answer some questions. First, is there one inter­pretation that everybody will eventually agree on? This translates to: &quot;Is there one placement of the ball that everybody will agree on?&quot; Clearly, there is not. Some days I might like the ball in the living room (Copenhagen) and some days in the kitchen (many-worlds). Some days&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt; the ball may be best off in the bathroom (Bohmian). The posi­tion of the ball may change from day to day depending on my tastes or on those of the future occupants. There is no one placement of the ball that everybody will agree on. &lt;/span&gt;&lt;span style=&quot;color: black; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;&lt;/span&gt; &lt;/span&gt;&lt;/div&gt;
  668. &lt;div class=&quot;CM4&quot; style=&quot;line-height: normal; margin-bottom: 12.0pt;&quot;&gt;
  669. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;color: black; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;&lt;br /&gt;The upshot is that even die more difficult question ­&quot;What is the one true interpretation of quantum me­chanics?&quot; — has no meaning, just as &quot;What is the one true placement of the ball?&quot; has no meaning. This is a remark­ably freeing interpretation. There is, to use the jargon, an &quot;equivalence class&quot; of valid interpretations of quantum mechanics. Interpretations that disagree with experiment are abandoned, forthwith.&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
  670. &lt;span style=&quot;font-size: large;&quot;&gt; &lt;span style=&quot;color: black; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;Hence, with apologies to William Bragg, I may be a Copenhagener on Monday, Wednesday and Friday, and a many-worlder on Tuesday, Thursday and Saturday. On Sunday I rest and play with Charla — with no fear of eternal damnation. Pick the interpretation that suits you and gives you insight to the problem at hand. There is — and never shall be — one true interpretation of quantum me­chanics. Isn&#39;t it time we moved on with our lives?&lt;br /&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;div class=&quot;mb-0&quot;&gt;
  671. &lt;span data-authors=&quot;&quot;&gt; &lt;span class=&quot;nowrap&quot; itemprop=&quot;author&quot; itemtype=&quot;http://schema.org/Person&quot;&gt;&lt;span itemprop=&quot;name&quot;&gt;Jonathan Dowling&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;
  672. &lt;/div&gt;
  673. &lt;span class=&quot;wd-jnl-art-breadcrumb-title article-toolbar-anchor&quot; itemid=&quot;periodical&quot; itemscope=&quot;&quot; itemtype=&quot;http://schema.org/Periodical&quot;&gt; &lt;span itemprop=&quot;name&quot;&gt; &lt;a alt=&quot;Physics World&quot; href=&quot;http://iopscience.iop.org/journal/2058-7058&quot; itemprop=&quot;url&quot;&gt;Physics World&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;, &lt;span class=&quot;wd-jnl-art-breadcrumb-vol nowrap&quot; itemprop=&quot;isPartOf&quot; itemscope=&quot;&quot; itemtype=&quot;http://schema.org/PublicationVolume&quot;&gt; &lt;span itemprop=&quot;volumeNumber&quot;&gt;&lt;a href=&quot;http://iopscience.iop.org/volume/2058-7058/14&quot; itemprop=&quot;url&quot;&gt;Volume 14&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;, &lt;span class=&quot;wd-jnl-art-breadcrumb-issue nowrap&quot; itemprop=&quot;issueNumber&quot;&gt;&lt;a href=&quot;http://iopscience.iop.org/issue/2058-7058/14/11&quot; itemprop=&quot;url&quot;&gt; Number 11 (2001). &lt;/a&gt;&lt;/span&gt;&lt;span style=&quot;font-size: large;&quot;&gt;&lt;span style=&quot;color: black; 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  674. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/4822496173910562378/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/05/interpreting-interpretations.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/4822496173910562378'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/4822496173910562378'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/05/interpreting-interpretations.html' title='Interpreting the interpretations'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-7035182462982583658</id><published>2018-05-16T11:32:00.001-07:00</published><updated>2018-05-16T11:39:24.279-07:00</updated><title type='text'>In Memory of George Sudarshan</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  675. &lt;br /&gt;
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  677. It is an old Irish tradition to tell amusing stories about a colleague or friend who has recently died. Here is mine.&lt;/div&gt;
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  681. In 1998, I was attending a week-long conference at the University of Maryland on the Foundations of quantum mechanics. This conference was run every few years by Prof. Yanhua Shih throughout the 1990s. To save money, all the participants stayed in the student dormitories and ate in the student cafeteria. On this particular year we were sharing the dormitories with a large summer class of High School football cheerleaders.&lt;/div&gt;
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  683. &lt;br /&gt;&lt;/div&gt;
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  685. I arrived at the Baltimore airport late on Sunday night, and when I went to collect my baggage, there was George Sudarshan waiting for his. I knew he was attending the conference since he was listed on the program as an invited speaker. I went up to him and introduced myself.&lt;/div&gt;
  686. &lt;div class=&quot;MsoNormal&quot;&gt;
  687. &lt;br /&gt;&lt;/div&gt;
  688. &lt;div class=&quot;MsoNormal&quot;&gt;
  689. Me: “Prof. Sudarshan? I’m Jon Dowling. I was a student in your quantum mechanics class at the University of Texas many years ago. I see we are going to the same conference.”&lt;/div&gt;
  690. &lt;div class=&quot;MsoNormal&quot;&gt;
  691. &lt;br /&gt;&lt;/div&gt;
  692. &lt;div class=&quot;MsoNormal&quot;&gt;
  693. Sudarshan: (Does not remember me at all.) “Indeed. When was the last time we met?”&lt;/div&gt;
  694. &lt;div class=&quot;MsoNormal&quot;&gt;
  695. &lt;br /&gt;&lt;/div&gt;
  696. &lt;div class=&quot;MsoNormal&quot;&gt;
  697. Me: “Back in 1992 at that conference in Moscow.”&lt;/div&gt;
  698. &lt;div class=&quot;MsoNormal&quot;&gt;
  699. &lt;br /&gt;&lt;/div&gt;
  700. &lt;div class=&quot;MsoNormal&quot;&gt;
  701. Sudarshan: “Oh that was a lovely conference. The room was dark, the chairs were comfortable, and you could snooze away in the back and nobody would notice a thing.”&lt;/div&gt;
  702. &lt;div class=&quot;MsoNormal&quot;&gt;
  703. &lt;br /&gt;&lt;/div&gt;
  704. &lt;div class=&quot;MsoNormal&quot;&gt;
  705. Me: “Yes it was. So how are you getting to this conference?”&lt;/div&gt;
  706. &lt;div class=&quot;MsoNormal&quot;&gt;
  707. &lt;br /&gt;&lt;/div&gt;
  708. &lt;div class=&quot;MsoNormal&quot;&gt;
  709. Sudarshan: “I had not given it a thought. What about you?”&lt;/div&gt;
  710. &lt;div class=&quot;MsoNormal&quot;&gt;
  711. &lt;br /&gt;&lt;/div&gt;
  712. &lt;div class=&quot;MsoNormal&quot;&gt;
  713. Me: “I have a rental car. I’d be delighted to give you a ride.”&lt;/div&gt;
  714. &lt;div class=&quot;MsoNormal&quot;&gt;
  715. &lt;br /&gt;&lt;/div&gt;
  716. &lt;div class=&quot;MsoNormal&quot;&gt;
  717. Sudarshan: “How very nice. I accept!”&lt;/div&gt;
  718. &lt;div class=&quot;MsoNormal&quot;&gt;
  719. &lt;br /&gt;&lt;/div&gt;
  720. &lt;div class=&quot;MsoNormal&quot;&gt;
  721. So, I helped him with his luggage, we pack up the rental car, and then we sped off down the freeway towards the university. I had made this trip several times and the exit to the university is not very well marked and easy to miss, especially in the night. As I drive, Sudarshan begins to make small talk.&lt;/div&gt;
  722. &lt;div class=&quot;MsoNormal&quot;&gt;
  723. &lt;br /&gt;&lt;/div&gt;
  724. &lt;div class=&quot;MsoNormal&quot;&gt;
  725. Sudarshan: “So what are you working on these days?”&lt;/div&gt;
  726. &lt;div class=&quot;MsoNormal&quot;&gt;
  727. &lt;br /&gt;&lt;/div&gt;
  728. &lt;div class=&quot;MsoNormal&quot;&gt;
  729. Me: “Oh, I have been focusing on a new theory of quantum metrology.”&lt;/div&gt;
  730. &lt;div class=&quot;MsoNormal&quot;&gt;
  731. &lt;br /&gt;&lt;/div&gt;
  732. &lt;div class=&quot;MsoNormal&quot;&gt;
  733. Sudarshan: (Seems not impressed.)&lt;/div&gt;
  734. &lt;div class=&quot;MsoNormal&quot;&gt;
  735. &lt;br /&gt;&lt;/div&gt;
  736. &lt;div class=&quot;MsoNormal&quot;&gt;
  737. Me: “So tell me what &lt;i style=&quot;mso-bidi-font-style: normal;&quot;&gt;you’re&lt;/i&gt; working on?”&lt;/div&gt;
  738. &lt;div class=&quot;MsoNormal&quot;&gt;
  739. &lt;br /&gt;&lt;/div&gt;
  740. &lt;div class=&quot;MsoNormal&quot;&gt;
  741. Sudarshan: (Becomes very excited.) “Weak measurement theory!”&lt;/div&gt;
  742. &lt;div class=&quot;MsoNormal&quot;&gt;
  743. &lt;br /&gt;&lt;/div&gt;
  744. &lt;div class=&quot;MsoNormal&quot;&gt;
  745. Me: “What is that?”&lt;/div&gt;
  746. &lt;div class=&quot;MsoNormal&quot;&gt;
  747. &lt;br /&gt;&lt;/div&gt;
  748. &lt;div class=&quot;MsoNormal&quot;&gt;
  749. Sudarshan: (Even more excited.) “You don’t know? It is a hot new topic. Very hot. You should learn it!”&lt;/div&gt;
  750. &lt;div class=&quot;MsoNormal&quot;&gt;
  751. &lt;br /&gt;&lt;/div&gt;
  752. &lt;div class=&quot;MsoNormal&quot;&gt;
  753. Then Sudarshan reaches into his briefcase and whips out a 14”-long, yellow, lined legal pad and begins scribbling wavefunctions on it that appear to be moving backwards and forwards in time. Periodically he shoves the pad in front of my face (while we are barreling down the freeway at 60 miles per hour) and exclaims, “See!?” I nod and say, “Oh yes!” I am trying to peer around the pad and not run off the road.&lt;/div&gt;
  754. &lt;div class=&quot;MsoNormal&quot;&gt;
  755. &lt;br /&gt;&lt;/div&gt;
  756. &lt;div class=&quot;MsoNormal&quot;&gt;
  757. This goes on for an hour until I gasp and realize that we have missed the exit and have arrived in downtown Baltimore! As Sudarshan continues full speed on the weak measurements, I have to turn around and head back the other way. The lectures continue and suddenly we are back at the airport — I have missed the exit again! So finally say, “Prof. Sudarshan, I have to pay attention. We have missed the exit twice!”&lt;/div&gt;
  758. &lt;div class=&quot;MsoNormal&quot;&gt;
  759. &lt;br /&gt;&lt;/div&gt;
  760. &lt;div class=&quot;MsoNormal&quot;&gt;
  761. He then puts down the pad and tells a story about how Einstein went to visit Bohr in Denmark and Bohr met him at the train station. They then took a tram to Bohr’s house but got so engrossed in the conversation that they missed their stop and went to the end station. Then they got back in the tram and went back the other way and missed the stop and made it to the other end station. I said, “Yes, it is just like that, but in our case I am driving the tram.”&lt;/div&gt;
  762. &lt;div class=&quot;MsoNormal&quot;&gt;
  763. &lt;br /&gt;&lt;/div&gt;
  764. &lt;div class=&quot;MsoNormal&quot;&gt;
  765. We finally arrive at the university dormitory at midnight to check in. Each participant has their own private room but must share the bathroom with the person next door. Seeing that we are good friends, the clerk puts us in rooms with adjoining bedrooms.&lt;/div&gt;
  766. &lt;div class=&quot;MsoNormal&quot;&gt;
  767. &lt;br /&gt;&lt;/div&gt;
  768. &lt;div class=&quot;MsoNormal&quot;&gt;
  769. After the long day and a hectic drive, I am tired and go to sleep. But not for long! Suddenly, at 2AM, Sudarshan comes bursting through the bathroom door in his pajamas, turns on the light, and waves the yellow pad. “I have new results!” He pulled over a chair and lectured me in my bed for another hour. When he finally left I locked the bathroom door and propped the chair under the doorknob.&lt;/div&gt;
  770. &lt;div class=&quot;MsoNormal&quot;&gt;
  771. &lt;br /&gt;&lt;/div&gt;
  772. &lt;div class=&quot;MsoNormal&quot;&gt;
  773. And to this day, I still have no idea what weak measurements are….&lt;/div&gt;
  774. &lt;style&gt;
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  831. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/7035182462982583658/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2018/05/in-memory-of-george-sudarshan.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7035182462982583658'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7035182462982583658'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2018/05/in-memory-of-george-sudarshan.html' title='In Memory of George Sudarshan'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-366170348376960140</id><published>2017-08-18T15:32:00.001-07:00</published><updated>2017-08-18T15:32:17.581-07:00</updated><title type='text'>#WIDOMSUMVAC – SYDNEY DAY 14!</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  832. My last post for #widomsumvac for this year. Classes begin on Monday the same day of the eclipse. We should be 80% totality in Baton Rouge so I have Sunday to make a pinhole camera for the class!&lt;br /&gt;
  833. &lt;br /&gt;
  834. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  835. &lt;/div&gt;
  836. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  837. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjM1GLJ8qfrfGcsN9qw7Pr6TGJByNUDBRAQ-CCHFkEUsfIbjKKEQ2IVkdHeT9jlFQD9ZwoTsnFHv2r7sqiZWx5TkkXwXrwirTIvnkepYdEBa2Wf5E352NdkDisVSCmBRw648XSQ7plp8jWZ/s1600/20170813_115516-ANIMATION.gif&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;879&quot; data-original-width=&quot;879&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjM1GLJ8qfrfGcsN9qw7Pr6TGJByNUDBRAQ-CCHFkEUsfIbjKKEQ2IVkdHeT9jlFQD9ZwoTsnFHv2r7sqiZWx5TkkXwXrwirTIvnkepYdEBa2Wf5E352NdkDisVSCmBRw648XSQ7plp8jWZ/s320/20170813_115516-ANIMATION.gif&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  838. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Alice can be bribed!&lt;/td&gt;&lt;/tr&gt;
  839. &lt;/tbody&gt;&lt;/table&gt;
  840. &lt;br /&gt;
  841. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  842. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgquu-I6bklSVqbKcJrFjcfuUi1ckT0zNBEOGZrWyxzsyqz5SUEq55e92wQsECNAFtCds4DjnbyY7KALL2pKVphBKgvYM62aqQCuSnErCLGEUpT8y07RBD4lepfCEXbYS4L5wJdyYmaLqwc/s1600/IMG_20170806_083858.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgquu-I6bklSVqbKcJrFjcfuUi1ckT0zNBEOGZrWyxzsyqz5SUEq55e92wQsECNAFtCds4DjnbyY7KALL2pKVphBKgvYM62aqQCuSnErCLGEUpT8y07RBD4lepfCEXbYS4L5wJdyYmaLqwc/s320/IMG_20170806_083858.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  843. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;View from my apartment. &lt;/td&gt;&lt;/tr&gt;
  844. &lt;/tbody&gt;&lt;/table&gt;
  845. &lt;br /&gt;
  846. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  847. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmlLi2hGmtTSDBlmSddpXEFkcOvkEweRfYld15J072l6nAyiSu4DwoHl5WsDzerlLMiCmdTq4BZPYU8oxpxUxDqtFa1jO-VhrEjjC7tFBg8nGVNL-R0QRxqDXwHnPV2TbB3WtTHewNYEJD/s1600/IMG_20170808_111852.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmlLi2hGmtTSDBlmSddpXEFkcOvkEweRfYld15J072l6nAyiSu4DwoHl5WsDzerlLMiCmdTq4BZPYU8oxpxUxDqtFa1jO-VhrEjjC7tFBg8nGVNL-R0QRxqDXwHnPV2TbB3WtTHewNYEJD/s320/IMG_20170808_111852.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  848. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Baby somethings. &lt;/td&gt;&lt;/tr&gt;
  849. &lt;/tbody&gt;&lt;/table&gt;
  850. &lt;br /&gt;
  851. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  852. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEievLg9bdM_qSzPoFlAAw9GdVwtgLWFpUKXRKn39qZEmPI_6r41I02w_FCqIyHJbXDVLd7PkHX_caxFti8AMxYonvNwAnPWW7p_TDahbi7sgs8VhAZxolZPdDcpWbo7KxDuptLKBQmJfCLl/s1600/IMG_20170808_141557.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEievLg9bdM_qSzPoFlAAw9GdVwtgLWFpUKXRKn39qZEmPI_6r41I02w_FCqIyHJbXDVLd7PkHX_caxFti8AMxYonvNwAnPWW7p_TDahbi7sgs8VhAZxolZPdDcpWbo7KxDuptLKBQmJfCLl/s320/IMG_20170808_141557.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  853. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Back in the formula lounge. &lt;/td&gt;&lt;/tr&gt;
  854. &lt;/tbody&gt;&lt;/table&gt;
  855. &lt;br /&gt;
  856. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  857. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqWqENt2YOOmHs4Ng9Ow8Yhyphenhyphen1adQGlbiHseWNpnfd-RyetXFWNK7vX_IHbdyhxV7ZUz2KYpYWJn1qcOghYakChr7Q5xuS8qqGxaSeR-OlwCSDXsGfNnwv5COzP0Tl8WdXE9UyWBdKlN9TY/s1600/IMG_20170808_141612.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqWqENt2YOOmHs4Ng9Ow8Yhyphenhyphen1adQGlbiHseWNpnfd-RyetXFWNK7vX_IHbdyhxV7ZUz2KYpYWJn1qcOghYakChr7Q5xuS8qqGxaSeR-OlwCSDXsGfNnwv5COzP0Tl8WdXE9UyWBdKlN9TY/s320/IMG_20170808_141612.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  858. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;This does not compute!&lt;/td&gt;&lt;/tr&gt;
  859. &lt;/tbody&gt;&lt;/table&gt;
  860. &lt;br /&gt;
  861. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  862. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgz8uJ06yAR6nntFppW_huzBvipFn4EoKW1ES81tc1FQv1-AVzxtdwi-RwODpJtRUT0Pd8ueN8oAzLgxIwhPmBVCJ3WV_w-EoFNlOpeFUDPBZzYI-iy3WGVa-dwTu5vazTQItZyE0E8mbGG/s1600/IMG_20170809_082602.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgz8uJ06yAR6nntFppW_huzBvipFn4EoKW1ES81tc1FQv1-AVzxtdwi-RwODpJtRUT0Pd8ueN8oAzLgxIwhPmBVCJ3WV_w-EoFNlOpeFUDPBZzYI-iy3WGVa-dwTu5vazTQItZyE0E8mbGG/s320/IMG_20170809_082602.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  863. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;The things I must suffer for work. &lt;/td&gt;&lt;/tr&gt;
  864. &lt;/tbody&gt;&lt;/table&gt;
  865. &lt;br /&gt;
  866. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  867. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsCr6RU5sC8paSRYhKvRqs_fz_ZGMn14b6XIiP4eOeCxUaWOXvCWl7nm0kxQQRFcFJj0lbyMD6Ch1fz-9IPVUrf-5WrlKfUXwieUxTkNKpbvTr1M3To4bv2jlhK1c4uquAv2WjuxmZkRWP/s1600/IMG_20170809_084134.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsCr6RU5sC8paSRYhKvRqs_fz_ZGMn14b6XIiP4eOeCxUaWOXvCWl7nm0kxQQRFcFJj0lbyMD6Ch1fz-9IPVUrf-5WrlKfUXwieUxTkNKpbvTr1M3To4bv2jlhK1c4uquAv2WjuxmZkRWP/s320/IMG_20170809_084134.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  868. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;The return of Bob!&lt;/td&gt;&lt;/tr&gt;
  869. &lt;/tbody&gt;&lt;/table&gt;
  870. &lt;br /&gt;
  871. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  872. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipPeIIFDM6Y8Ukeyoo2mu5sVJ-fGSZHuLoD16iQ_vC7NcD8l-7CpXRVQ-t9o-1eMJV7Fuo1F5mmWJK2XygHjtM0cR5P7TeJ7d-gINO3gyOUqNoKGUo_uXRxd6kB-Dy4po2kg5LtYF9DmOB/s1600/IMG_20170810_132958.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipPeIIFDM6Y8Ukeyoo2mu5sVJ-fGSZHuLoD16iQ_vC7NcD8l-7CpXRVQ-t9o-1eMJV7Fuo1F5mmWJK2XygHjtM0cR5P7TeJ7d-gINO3gyOUqNoKGUo_uXRxd6kB-Dy4po2kg5LtYF9DmOB/s320/IMG_20170810_132958.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  873. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;What if? &lt;/td&gt;&lt;/tr&gt;
  874. &lt;/tbody&gt;&lt;/table&gt;
  875. &lt;br /&gt;
  876. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  877. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdcYTKSpHI8qpXxRqtlBgzFKTvVFalxnmCpbOdmsfpZ2nrWQ9aFa0tKi0NILCYZoKVWWBuammKACvszpnBZepPi4oUmGjbRk5LfILOeAKsthTGEnChfVxlK0TH8AsuTsxQAjqrj91WxRQl/s1600/IMG_20170810_191745.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdcYTKSpHI8qpXxRqtlBgzFKTvVFalxnmCpbOdmsfpZ2nrWQ9aFa0tKi0NILCYZoKVWWBuammKACvszpnBZepPi4oUmGjbRk5LfILOeAKsthTGEnChfVxlK0TH8AsuTsxQAjqrj91WxRQl/s320/IMG_20170810_191745.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  878. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Alexi is in a Thai Restaurant. &lt;/td&gt;&lt;/tr&gt;
  879. &lt;/tbody&gt;&lt;/table&gt;
  880. &lt;br /&gt;
  881. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  882. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim7QC8rOWVfRmh78MlK_cf38tlGbTfIoiwE-YRO4nEq9aCB9gRJjd_jLK5QEFRHMxGpcgGVHgeTkqaepnkvcPZJVOhbaUA1bdsMWrUvzl74v416zD4BtSmOOmQ8WvdYoks0Tfr3tR1Qz1r/s1600/IMG_20170810_192800.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1600&quot; data-original-width=&quot;1200&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim7QC8rOWVfRmh78MlK_cf38tlGbTfIoiwE-YRO4nEq9aCB9gRJjd_jLK5QEFRHMxGpcgGVHgeTkqaepnkvcPZJVOhbaUA1bdsMWrUvzl74v416zD4BtSmOOmQ8WvdYoks0Tfr3tR1Qz1r/s320/IMG_20170810_192800.jpg&quot; width=&quot;240&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  883. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;No idea. &lt;/td&gt;&lt;/tr&gt;
  884. &lt;/tbody&gt;&lt;/table&gt;
  885. &lt;br /&gt;
  886. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  887. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJslMf83f-kbz1sifSEDWOWMFE3M32Q2VhFTrR6ZOaKTHREWVzRdr2-0NGGgoZ4pzw0WvQ_VprRX8CXAYTB3GPP1opceBManmZmFKRngBdWfBATGd9uISvmmYGPxRNjoJaV_3EjyO_0E-e/s1600/IMG_20170810_193402.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJslMf83f-kbz1sifSEDWOWMFE3M32Q2VhFTrR6ZOaKTHREWVzRdr2-0NGGgoZ4pzw0WvQ_VprRX8CXAYTB3GPP1opceBManmZmFKRngBdWfBATGd9uISvmmYGPxRNjoJaV_3EjyO_0E-e/s320/IMG_20170810_193402.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  888. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Fit to be Thaied.&lt;/td&gt;&lt;/tr&gt;
  889. &lt;/tbody&gt;&lt;/table&gt;
  890. &lt;br /&gt;
  891. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  892. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGY5q5FmiT5qEqQLBkccXL8rbY11ed0g_rttU_2YneYX9NDc7gex8E3kGYcdEfJ-9k7VO5bOUim1qdH08MKXjNxa0LmSmrOwoYQxhXWmtPotHIdhh9yYgttEnK2uUlJ8xto8J-oeemK7e6/s1600/IMG_20170810_222315.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGY5q5FmiT5qEqQLBkccXL8rbY11ed0g_rttU_2YneYX9NDc7gex8E3kGYcdEfJ-9k7VO5bOUim1qdH08MKXjNxa0LmSmrOwoYQxhXWmtPotHIdhh9yYgttEnK2uUlJ8xto8J-oeemK7e6/s320/IMG_20170810_222315.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  893. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;A must for quantum theory discussions. &lt;/td&gt;&lt;/tr&gt;
  894. &lt;/tbody&gt;&lt;/table&gt;
  895. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  896. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5y6TbSJVhFSOZMwJNhLiaq8jgLKaKfyF6zcQkVaXTbOt04Yjoe8EXebE9C7RXva6o08aby1TV32oxf43PHUJlelSy5eqHHPeXg6uqchrrtSQyD1s_j3brN8rnfqEPWYXYdaxKcRhoIp00/s1600/IMG_20170810_222605.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5y6TbSJVhFSOZMwJNhLiaq8jgLKaKfyF6zcQkVaXTbOt04Yjoe8EXebE9C7RXva6o08aby1TV32oxf43PHUJlelSy5eqHHPeXg6uqchrrtSQyD1s_j3brN8rnfqEPWYXYdaxKcRhoIp00/s320/IMG_20170810_222605.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  897. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Dr. Keith Motes, left, is a former LSU undergrad!&lt;/td&gt;&lt;/tr&gt;
  898. &lt;/tbody&gt;&lt;/table&gt;
  899. &lt;br /&gt;
  900. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  901. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFkm4ex9kTeC0pTWxP0TrYmqCkWL2gkZH5uHS_MuQzZ9HRO3eiEanBjB4UzzaYA1q3fVr-OqYOSY7kwcgBKIJjInL3BmQHMzGu82-ygmU1segeQoddWP_ofMWKYlbo5lSHvwXqo0tP9XWc/s1600/IMG_20170811_171811.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFkm4ex9kTeC0pTWxP0TrYmqCkWL2gkZH5uHS_MuQzZ9HRO3eiEanBjB4UzzaYA1q3fVr-OqYOSY7kwcgBKIJjInL3BmQHMzGu82-ygmU1segeQoddWP_ofMWKYlbo5lSHvwXqo0tP9XWc/s320/IMG_20170811_171811.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  902. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Sir Michael Berry.&lt;/td&gt;&lt;/tr&gt;
  903. &lt;/tbody&gt;&lt;/table&gt;
  904. &lt;br /&gt;
  905. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  906. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiMK0sQPAX0eLg0zzJcUKPrYysopV5je2NhbjpjgLXL5tBI_ojhwqt529vnuN-3Uu2oH6YxIegv28p04pzVqW0-TfI2g48LeWus5cKHOkWkre4oCyF4t1MmiMTqVq7bKNIVqO4mTS-B7Oe/s1600/IMG_20170811_171815.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiMK0sQPAX0eLg0zzJcUKPrYysopV5je2NhbjpjgLXL5tBI_ojhwqt529vnuN-3Uu2oH6YxIegv28p04pzVqW0-TfI2g48LeWus5cKHOkWkre4oCyF4t1MmiMTqVq7bKNIVqO4mTS-B7Oe/s320/IMG_20170811_171815.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  907. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;The group meeting was moving. &lt;/td&gt;&lt;/tr&gt;
  908. &lt;/tbody&gt;&lt;/table&gt;
  909. &lt;br /&gt;
  910. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  911. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaA4Gf6lHp660W30ybcqiJTSu4tqN0hrzkCMwR3uxji_crqmJhOCqcVLx2y9ENQcqAvyor6FgnwPWWTiMltp1IcgJzPYicc4Ddse-QtpcEi8HR_o9k6xBdgqLNQpUfBD50WfjgFJGTm1Pf/s1600/IMG_20170811_171819.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaA4Gf6lHp660W30ybcqiJTSu4tqN0hrzkCMwR3uxji_crqmJhOCqcVLx2y9ENQcqAvyor6FgnwPWWTiMltp1IcgJzPYicc4Ddse-QtpcEi8HR_o9k6xBdgqLNQpUfBD50WfjgFJGTm1Pf/s320/IMG_20170811_171819.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  912. &lt;br /&gt;
  913. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  914. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuzpMpaSIdhGv7rNNumkvPZ5WyMtx-xF8t4qi5mahbli_4J3kBHxsOuPKQ1Rv2QS4_f_G93qZrUTNcxw5G8bQrRmmoUrTMQQN5CFFr1XmsUREesta8SUg3SMdc5nacRLS3RsUj9cdJABK9/s1600/IMG_20170811_171822.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuzpMpaSIdhGv7rNNumkvPZ5WyMtx-xF8t4qi5mahbli_4J3kBHxsOuPKQ1Rv2QS4_f_G93qZrUTNcxw5G8bQrRmmoUrTMQQN5CFFr1XmsUREesta8SUg3SMdc5nacRLS3RsUj9cdJABK9/s320/IMG_20170811_171822.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  915. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  916. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3kJLEe8dro7vWWC3UiQTP4dQb42YDdxd8o1YrgsG7gy5DFSU_B7f7TrxWza45PT8bFz6HGyDwYcZeivMcCX92HRLqZoiaKZfo41sm4SE2wTrwBqryHYWl892u8ycOmiV0cqTG0rOI4KRd/s1600/IMG_20170812_173359.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3kJLEe8dro7vWWC3UiQTP4dQb42YDdxd8o1YrgsG7gy5DFSU_B7f7TrxWza45PT8bFz6HGyDwYcZeivMcCX92HRLqZoiaKZfo41sm4SE2wTrwBqryHYWl892u8ycOmiV0cqTG0rOI4KRd/s320/IMG_20170812_173359.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  917. &lt;br /&gt;
  918. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  919. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQu5Ja28ga6Y1AuxATseEmdYfjV9eIi8UksV-EppZRxTKSrXvX2lGpGKkv_WNyD8yAH0e-rDtuqdXehQanW_ayIJnEJbJsexJ0sqaPrCUIPCefSlFNfH83uneF3oo4KgeJ6iA7IyMUhXa8/s1600/IMG_20170813_144736.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQu5Ja28ga6Y1AuxATseEmdYfjV9eIi8UksV-EppZRxTKSrXvX2lGpGKkv_WNyD8yAH0e-rDtuqdXehQanW_ayIJnEJbJsexJ0sqaPrCUIPCefSlFNfH83uneF3oo4KgeJ6iA7IyMUhXa8/s320/IMG_20170813_144736.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  920. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Microwave photons destroy nutrients. &lt;br /&gt;Thermal photons do not? &lt;/td&gt;&lt;/tr&gt;
  921. &lt;/tbody&gt;&lt;/table&gt;
  922. &lt;br /&gt;
  923. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  924. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhepcB-E3WWzFmimMUeoS_YDbdJ2nJXrDiRDOjiP0NY-7Seeh_B0u1giP9ba0C3zl-3Li4WrLfX0uslyqncDx8IGvtphJJYZL7t3YSHBluKQ7x3vQ-OrkzUxy9SzJCS4r7ZG999dCgSN2Wl/s1600/IMG_20170817_131937.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhepcB-E3WWzFmimMUeoS_YDbdJ2nJXrDiRDOjiP0NY-7Seeh_B0u1giP9ba0C3zl-3Li4WrLfX0uslyqncDx8IGvtphJJYZL7t3YSHBluKQ7x3vQ-OrkzUxy9SzJCS4r7ZG999dCgSN2Wl/s320/IMG_20170817_131937.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  925. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Behave!&lt;/td&gt;&lt;/tr&gt;
  926. &lt;/tbody&gt;&lt;/table&gt;
  927. &lt;br /&gt;
  928. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  929. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsd57NKHKvKfBHxcgULrTsODl6nDlUqnXPg-w5FMhvbKfPeCs_GMn9ouKGMc-Z1mlOGDi0DInkdmDxWm3YUra5zsCPOLhHV2TqIYZmlWTgnSqk-sRP10UAoT9WheEeCz_UEzfq8UiPrOL2/s1600/IMG_20170817_185632.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1600&quot; data-original-width=&quot;1200&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsd57NKHKvKfBHxcgULrTsODl6nDlUqnXPg-w5FMhvbKfPeCs_GMn9ouKGMc-Z1mlOGDi0DInkdmDxWm3YUra5zsCPOLhHV2TqIYZmlWTgnSqk-sRP10UAoT9WheEeCz_UEzfq8UiPrOL2/s320/IMG_20170817_185632.jpg&quot; width=&quot;240&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  930. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Zixin attempts to remove ice cubes. &lt;/td&gt;&lt;/tr&gt;
  931. &lt;/tbody&gt;&lt;/table&gt;
  932. &lt;br /&gt;
  933. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  934. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_utT7XirQozx_ZSddAGusvIdLGI25JtGZwDEwGQYydFJIloYpeWHLjAGOaccb0H0Q4BJ9OlMuQmFrKgSaUbdFxlGjVGrFqozLCyeNiBZRX40_90TLqu917jVF2jdnD2dpk4bvD2Q8Tqy7/s1600/IMG_20170817_185635.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_utT7XirQozx_ZSddAGusvIdLGI25JtGZwDEwGQYydFJIloYpeWHLjAGOaccb0H0Q4BJ9OlMuQmFrKgSaUbdFxlGjVGrFqozLCyeNiBZRX40_90TLqu917jVF2jdnD2dpk4bvD2Q8Tqy7/s320/IMG_20170817_185635.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  935. &lt;br /&gt;
  936. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  937. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWPs8gzmd_c2__XwbZMDvXSqfeuxHYok-6HOff36WORotJzuYJ_h-nQ0bV5Ou-MzrqjIbrJebqJxeK5syTORS51qg4MPea4al7p_neHlriVh42O-GrLRzwr8MBoWqGVaPkrLkZkiPKDpU4/s1600/IMG_20170817_204325.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWPs8gzmd_c2__XwbZMDvXSqfeuxHYok-6HOff36WORotJzuYJ_h-nQ0bV5Ou-MzrqjIbrJebqJxeK5syTORS51qg4MPea4al7p_neHlriVh42O-GrLRzwr8MBoWqGVaPkrLkZkiPKDpU4/s320/IMG_20170817_204325.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  938. &lt;br /&gt;
  939. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  940. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyeF-D5KisO2VaAvg4rEC7A-KuBXFq0tID2wjhnLVzeZK1wPgQGCzuJEIXIzb2GZmoSTQyH3un9Wyzh40QiMZO2CxpXpuYTmxDBZ9Q7bbBEEtLidX2qxWs2RYFDVsR2DIgoVa5ngcLsRh4/s1600/IMG_20170817_204328.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyeF-D5KisO2VaAvg4rEC7A-KuBXFq0tID2wjhnLVzeZK1wPgQGCzuJEIXIzb2GZmoSTQyH3un9Wyzh40QiMZO2CxpXpuYTmxDBZ9Q7bbBEEtLidX2qxWs2RYFDVsR2DIgoVa5ngcLsRh4/s320/IMG_20170817_204328.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  941. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Lynn takes an accusatory pose. &lt;/td&gt;&lt;/tr&gt;
  942. &lt;/tbody&gt;&lt;/table&gt;
  943. &lt;br /&gt;
  944. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  945. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMFbRsbB42oCzjB6ROI8yzIMUltDfIKKgPo0z9ZAH5ideOZK6q9WEUTtxvlxXkQ1RIqDzcG66kw_s8Ubq6Bt67zGcmKWCb-m6WZdY90Y5PhUxzPEOTETk2fpGNWAaaxiFR8y0gXZO710FS/s1600/IMG_20170817_204332.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMFbRsbB42oCzjB6ROI8yzIMUltDfIKKgPo0z9ZAH5ideOZK6q9WEUTtxvlxXkQ1RIqDzcG66kw_s8Ubq6Bt67zGcmKWCb-m6WZdY90Y5PhUxzPEOTETk2fpGNWAaaxiFR8y0gXZO710FS/s320/IMG_20170817_204332.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  946. &lt;br /&gt;
  947. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  948. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjJxlnnZFjiQf7vf-SVxsnsTil8G71IU7KhBDC9-rEUuPX6a-QdDjVdqelu55h4dwWEOJlD6E0Ja1XmNjcAsGvXMBSv8C46JboiQ9zgNcgn99WJFPcKtE9VGh8PQcClMc6WYZsM9quAO62/s1600/IMG_20170818_154250.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjJxlnnZFjiQf7vf-SVxsnsTil8G71IU7KhBDC9-rEUuPX6a-QdDjVdqelu55h4dwWEOJlD6E0Ja1XmNjcAsGvXMBSv8C46JboiQ9zgNcgn99WJFPcKtE9VGh8PQcClMc6WYZsM9quAO62/s320/IMG_20170818_154250.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  949. &lt;br /&gt;
  950. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  951. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgL2lIXKbFqCsjxYCbl7KqsI0t6zsjc8lXXC2J0vyC2Cnxk3D8zAvOaEittvQtID2zaARMmGaWsfRa7jGHhRfcRp12t27nfbOpL1emaOPMHMx5A6efw_5x74ZwKgO6UvLBqgDixICoR9t8r/s1600/IMG_20170818_154254.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgL2lIXKbFqCsjxYCbl7KqsI0t6zsjc8lXXC2J0vyC2Cnxk3D8zAvOaEittvQtID2zaARMmGaWsfRa7jGHhRfcRp12t27nfbOpL1emaOPMHMx5A6efw_5x74ZwKgO6UvLBqgDixICoR9t8r/s320/IMG_20170818_154254.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  952. &lt;br /&gt;
  953. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  954. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdOwoZMdPIgnR6ciGo8jziWO8NxzIUoBLIvurMsF5OODqS4WgP7JVQA7FGuC4HAXjSHBQLE7oweUQjhSyie2rs9x4xqttWxBGpIrTurSWdHQ-ZmdBX3pQEZGEFwuWIHMFNfRBeTg6pA9PM/s1600/IMG_20170818_154259.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdOwoZMdPIgnR6ciGo8jziWO8NxzIUoBLIvurMsF5OODqS4WgP7JVQA7FGuC4HAXjSHBQLE7oweUQjhSyie2rs9x4xqttWxBGpIrTurSWdHQ-ZmdBX3pQEZGEFwuWIHMFNfRBeTg6pA9PM/s320/IMG_20170818_154259.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  955. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;How many things can we do with a Chinese quantum satellite?&amp;nbsp;&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;br /&gt;&lt;/td&gt;&lt;/tr&gt;
  956. &lt;/tbody&gt;&lt;/table&gt;
  957. &lt;br /&gt;&lt;/div&gt;
  958. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/366170348376960140/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/08/widomsumvac-sydney-day-14.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/366170348376960140'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/366170348376960140'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/08/widomsumvac-sydney-day-14.html' title='#WIDOMSUMVAC – SYDNEY DAY 14!'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjM1GLJ8qfrfGcsN9qw7Pr6TGJByNUDBRAQ-CCHFkEUsfIbjKKEQ2IVkdHeT9jlFQD9ZwoTsnFHv2r7sqiZWx5TkkXwXrwirTIvnkepYdEBa2Wf5E352NdkDisVSCmBRw648XSQ7plp8jWZ/s72-c/20170813_115516-ANIMATION.gif" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-6324495370396873043</id><published>2017-07-31T14:18:00.002-07:00</published><updated>2017-07-31T14:18:27.598-07:00</updated><title type='text'>Room-Temperature Photon-Number-Resolving Detection Without Room-Temperature Photon-Number-Resolving Detectors</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  959. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Matekole_E/0/1/0/all/0/1&quot;&gt;Elisha S. Matekole&lt;/a&gt;,
  960. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Lee_H/0/1/0/all/0/1&quot;&gt;Hwang Lee&lt;/a&gt;,
  961. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;
  962. &lt;br /&gt;
  963. &lt;div class=&quot;dateline&quot;&gt;
  964. (Submitted on 10 Jul 2017)&lt;/div&gt;
  965. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  966. We study the average coincidence counts signal at the output of a two-mode
  967. squeezing device with &lt;span class=&quot;MathJax&quot; id=&quot;MathJax-Element-1-Frame&quot; tabindex=&quot;0&quot;&gt;&lt;nobr&gt;&lt;span class=&quot;math&quot; id=&quot;MathJax-Span-1&quot; style=&quot;display: inline-block; width: 4.533em;&quot;&gt;&lt;span style=&quot;display: inline-block; font-size: 123%; height: 0px; position: relative; width: 3.659em;&quot;&gt;&lt;span style=&quot;clip: rect(1.494em, 1003.58em, 2.768em, -1000em); left: 0em; position: absolute; top: -2.381em;&quot;&gt;&lt;span class=&quot;mrow&quot; id=&quot;MathJax-Span-2&quot;&gt;&lt;span class=&quot;texatom&quot; id=&quot;MathJax-Span-3&quot;&gt;&lt;span class=&quot;mrow&quot; id=&quot;MathJax-Span-4&quot;&gt;&lt;span class=&quot;mo&quot; id=&quot;MathJax-Span-5&quot; style=&quot;font-family: STIXVariants;&quot;&gt;|&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class=&quot;mi&quot; id=&quot;MathJax-Span-6&quot; style=&quot;font-family: STIXGeneral; font-style: italic;&quot;&gt;N&lt;span style=&quot;display: inline-block; height: 1px; overflow: hidden; width: 0.06em;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class=&quot;mo&quot; id=&quot;MathJax-Span-7&quot; style=&quot;font-family: STIXGeneral;&quot;&gt;⟩&lt;/span&gt;&lt;span class=&quot;mo&quot; id=&quot;MathJax-Span-8&quot; style=&quot;font-family: STIXGeneral; padding-left: 0.25em;&quot;&gt;⊗&lt;/span&gt;&lt;span class=&quot;texatom&quot; id=&quot;MathJax-Span-9&quot; style=&quot;padding-left: 0.25em;&quot;&gt;&lt;span class=&quot;mrow&quot; id=&quot;MathJax-Span-10&quot;&gt;&lt;span class=&quot;mo&quot; id=&quot;MathJax-Span-11&quot; style=&quot;font-family: STIXVariants;&quot;&gt;|&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class=&quot;mi&quot; id=&quot;MathJax-Span-12&quot; style=&quot;font-family: STIXGeneral; font-style: italic;&quot;&gt;α&lt;/span&gt;&lt;span class=&quot;mo&quot; id=&quot;MathJax-Span-13&quot; style=&quot;font-family: STIXGeneral;&quot;&gt;⟩&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;display: inline-block; height: 2.381em; width: 0px;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;border-left: 0px solid; display: inline-block; height: 1.282em; overflow: hidden; vertical-align: -0.333em; width: 0px;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/nobr&gt;&lt;/span&gt; as the two input modes.
  968. We show that the input photon-number can be resolved from the average
  969. coincidence counts. In particular, we observe jumps in the average coincidence
  970. counts signal as a function of input photon number &lt;span class=&quot;MathJax&quot; id=&quot;MathJax-Element-2-Frame&quot; tabindex=&quot;0&quot;&gt;&lt;nobr&gt;&lt;span class=&quot;math&quot; id=&quot;MathJax-Span-14&quot; style=&quot;display: inline-block; width: 0.816em;&quot;&gt;&lt;span style=&quot;display: inline-block; font-size: 123%; height: 0px; position: relative; width: 0.639em;&quot;&gt;&lt;span style=&quot;clip: rect(1.554em, 1000.64em, 2.57em, -1000em); left: 0em; position: absolute; top: -2.381em;&quot;&gt;&lt;span class=&quot;mrow&quot; id=&quot;MathJax-Span-15&quot;&gt;&lt;span class=&quot;mi&quot; id=&quot;MathJax-Span-16&quot; style=&quot;font-family: STIXGeneral; font-style: italic;&quot;&gt;N&lt;span style=&quot;display: inline-block; height: 1px; overflow: hidden; width: 0.06em;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;display: inline-block; height: 2.381em; width: 0px;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;border-left: 0px solid; display: inline-block; height: 0.964em; overflow: hidden; vertical-align: -0.09em; width: 0px;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/nobr&gt;&lt;/span&gt;. Therefore, we propose a
  971. photon-number-resolving detector at room temperature with high efficiency.
  972. &lt;/blockquote&gt;
  973. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  974. &lt;tr&gt;
  975. &lt;td class=&quot;tablecell label&quot;&gt;Comments:
  976. &lt;/td&gt;
  977. &lt;td class=&quot;tablecell comments&quot;&gt;6 pages, 5 figures&lt;/td&gt;
  978. &lt;/tr&gt;
  979. &lt;tr&gt;
  980. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  981. &lt;/td&gt;
  982. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Quantum Physics (quant-ph)&lt;/span&gt;&lt;/td&gt;
  983. &lt;/tr&gt;
  984. &lt;tr&gt;
  985. &lt;td class=&quot;tablecell label&quot;&gt;
  986. Cite&amp;nbsp;as:
  987. &lt;/td&gt;
  988. &lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1707.02666&quot;&gt;arXiv:1707.02666&lt;/a&gt; [quant-ph]&lt;/td&gt;&lt;/tr&gt;
  989. &lt;/tbody&gt;&lt;/table&gt;
  990. &lt;/div&gt;
  991. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/6324495370396873043/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/room-temperature-photon-number.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6324495370396873043'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6324495370396873043'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/room-temperature-photon-number.html' title='Room-Temperature Photon-Number-Resolving Detection Without Room-Temperature Photon-Number-Resolving Detectors'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-7533422297136762907</id><published>2017-07-31T14:17:00.002-07:00</published><updated>2017-07-31T14:17:11.988-07:00</updated><title type='text'>Fundamental precision limit of a Mach-Zehnder interferometric sensor when one of the inputs is the vacuum</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  992. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Takeoka_M/0/1/0/all/0/1&quot;&gt;Masahiro Takeoka&lt;/a&gt;,
  993. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Seshadreesan_K/0/1/0/all/0/1&quot;&gt;Kaushik P. Seshadreesan&lt;/a&gt;,
  994. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+You_C/0/1/0/all/0/1&quot;&gt;Chenglong You&lt;/a&gt;,
  995. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Izumi_S/0/1/0/all/0/1&quot;&gt;Shuro Izumi&lt;/a&gt;,
  996. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;
  997. &lt;br /&gt;
  998. &lt;div class=&quot;dateline&quot;&gt;
  999. (Submitted on 26 May 2017)&lt;/div&gt;
  1000. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  1001. In the lore of quantum metrology, one often hears (or reads) the following
  1002. no-go theorem: If you put vacuum into one input port of a balanced Mach-Zehnder
  1003. Interferometer, then no matter what you put into the other input port, and no
  1004. matter what your detection scheme, the sensitivity can never be better than the
  1005. shot noise limit (SNL). Often the proof of this theorem is cited to be in Ref.
  1006. [C. Caves, Phys. Rev. D 23, 1693 (1981)], but upon further inspection, no such
  1007. claim is made there. A quantum-Fisher-information-based argument suggestive of
  1008. this no-go theorem appears in Ref. [M. Lang and C. Caves, Phys. Rev. Lett. 111,
  1009. 173601 (2013)], but is not stated in its full generality. Here we thoroughly
  1010. explore this no-go theorem and give the rigorous statement: the no-go theorem
  1011. holds whenever the unknown phase shift is split between both arms of the
  1012. interferometer, but remarkably does not hold when only one arm has the unknown
  1013. phase shift. In the latter scenario, we provide an explicit measurement
  1014. strategy that beats the SNL. We also point out that these two scenarios are
  1015. physically different and correspond to different types of sensing applications.
  1016. &lt;/blockquote&gt;
  1017. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  1018. &lt;tr&gt;
  1019. &lt;td class=&quot;tablecell label&quot;&gt;Comments:
  1020. &lt;/td&gt;
  1021. &lt;td class=&quot;tablecell comments&quot;&gt;9 pages, 2 figures&lt;/td&gt;
  1022. &lt;/tr&gt;
  1023. &lt;tr&gt;
  1024. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  1025. &lt;/td&gt;
  1026. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Quantum Physics (quant-ph)&lt;/span&gt;&lt;/td&gt;
  1027. &lt;/tr&gt;
  1028. &lt;tr&gt;
  1029. &lt;td class=&quot;tablecell label&quot;&gt;
  1030. Cite&amp;nbsp;as:
  1031. &lt;/td&gt;
  1032. &lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1705.09506&quot;&gt;arXiv:1705.09506&lt;/a&gt; [quant-ph]&lt;/td&gt;&lt;/tr&gt;
  1033. &lt;/tbody&gt;&lt;/table&gt;
  1034. &lt;/div&gt;
  1035. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/7533422297136762907/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/fundamental-precision-limit-of-mach.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7533422297136762907'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7533422297136762907'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/fundamental-precision-limit-of-mach.html' title='Fundamental precision limit of a Mach-Zehnder interferometric sensor when one of the inputs is the vacuum'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-7614305148704829904</id><published>2017-07-31T14:16:00.002-07:00</published><updated>2017-07-31T14:16:28.021-07:00</updated><title type='text'>Multi-pass configuration for Improved Squeezed Vacuum Generation in Hot Rb Vapor</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1036. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Zhang_M/0/1/0/all/0/1&quot;&gt;Mi Zhang&lt;/a&gt;,
  1037. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Guidry_M/0/1/0/all/0/1&quot;&gt;Melissa A. Guidry&lt;/a&gt;,
  1038. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Lanning_R/0/1/0/all/0/1&quot;&gt;R. Nicholas Lanning&lt;/a&gt;,
  1039. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Xiao_Z/0/1/0/all/0/1&quot;&gt;Zhihao Xiao&lt;/a&gt;,
  1040. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;,
  1041. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Novikova_I/0/1/0/all/0/1&quot;&gt;Irina Novikova&lt;/a&gt;,
  1042. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Mikhailov_E/0/1/0/all/0/1&quot;&gt;Eugeniy E. Mikhailov&lt;/a&gt;
  1043. &lt;br /&gt;
  1044. &lt;div class=&quot;dateline&quot;&gt;
  1045. (Submitted on 8 May 2017 (&lt;a href=&quot;https://arxiv.org/abs/1705.02914v1&quot;&gt;v1&lt;/a&gt;), last revised 10 May 2017 (this version, v2))&lt;/div&gt;
  1046. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  1047. We study a squeezed vacuum field generated in hot Rb vapor via the
  1048. polarization self-rotation effect. Our previous experiments showed that the
  1049. amount of observed squeezing may be limited by the contamination of the
  1050. squeezed vacuum output with higher-order spatial modes, also generated inside
  1051. the cell. Here, we demonstrate that the squeezing can be improved by making the
  1052. light interact several times with a less dense atomic ensemble. With
  1053. optimization of some parameters we can achieve up to -2.6 dB of squeezing in
  1054. the multi-pass case, which is 0.6 dB improvement compared to the single-pass
  1055. experimental configuration. Our results show that other than the optical depth
  1056. of the medium, the spatial mode structure and cell configuration also affect
  1057. the squeezing level.
  1058. &lt;/blockquote&gt;
  1059. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  1060. &lt;tr&gt;
  1061. &lt;td class=&quot;tablecell label&quot;&gt;Comments:
  1062. &lt;/td&gt;
  1063. &lt;td class=&quot;tablecell comments&quot;&gt;7 pages, 8 figures&lt;/td&gt;
  1064. &lt;/tr&gt;
  1065. &lt;tr&gt;
  1066. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  1067. &lt;/td&gt;
  1068. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Atomic Physics (physics.atom-ph)&lt;/span&gt;; Quantum Physics (quant-ph)&lt;/td&gt;
  1069. &lt;/tr&gt;
  1070. &lt;tr&gt;
  1071. &lt;td class=&quot;tablecell label&quot;&gt;
  1072. Journal&amp;nbsp;reference:
  1073. &lt;/td&gt;
  1074. &lt;td class=&quot;tablecell jref&quot;&gt;Phys. Rev. A 96, 013835 (2017)&lt;/td&gt;
  1075. &lt;/tr&gt;
  1076. &lt;tr&gt;
  1077. &lt;td class=&quot;tablecell label&quot;&gt;
  1078. &lt;abbr title=&quot;Digital Object Identifier&quot;&gt;DOI&lt;/abbr&gt;:
  1079. &lt;/td&gt;
  1080. &lt;td class=&quot;tablecell doi&quot;&gt;&lt;a href=&quot;https://arxiv.org/ct?url=http%3A%2F%2Fdx.doi.org%2F10%252E1103%2FPhysRevA%252E96%252E013835&amp;amp;v=070776c1&quot;&gt;10.1103/PhysRevA.96.013835&lt;/a&gt;&lt;/td&gt;
  1081. &lt;/tr&gt;
  1082. &lt;tr&gt;
  1083. &lt;td class=&quot;tablecell label&quot;&gt;
  1084. Cite&amp;nbsp;as:
  1085. &lt;/td&gt;
  1086. &lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1705.02914&quot;&gt;arXiv:1705.02914&lt;/a&gt; [physics.atom-ph]&lt;/td&gt;&lt;/tr&gt;
  1087. &lt;/tbody&gt;&lt;/table&gt;
  1088. &lt;/div&gt;
  1089. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/7614305148704829904/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/multi-pass-configuration-for-improved.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7614305148704829904'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7614305148704829904'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/multi-pass-configuration-for-improved.html' title='Multi-pass configuration for Improved Squeezed Vacuum Generation in Hot Rb Vapor'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-5208304415496157504</id><published>2017-07-31T14:15:00.001-07:00</published><updated>2017-07-31T14:15:20.654-07:00</updated><title type='text'>Lorentz invariant entanglement distribution for the space-based quantum network</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1090. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Byrnes_T/0/1/0/all/0/1&quot;&gt;Tim Byrnes&lt;/a&gt;,
  1091. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Ilyas_B/0/1/0/all/0/1&quot;&gt;Batyr Ilyas&lt;/a&gt;,
  1092. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Tessler_L/0/1/0/all/0/1&quot;&gt;Louis Tessler&lt;/a&gt;,
  1093. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Takeoka_M/0/1/0/all/0/1&quot;&gt;Masahiro Takeoka&lt;/a&gt;,
  1094. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Jambulingam_S/0/1/0/all/0/1&quot;&gt;Segar Jambulingam&lt;/a&gt;,
  1095. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;
  1096. &lt;br /&gt;
  1097. &lt;div class=&quot;dateline&quot;&gt;
  1098. (Submitted on 16 Apr 2017)&lt;/div&gt;
  1099. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  1100. In recent years there has been a great deal of focus on a globe-spanning
  1101. quantum network, including linked satellites for applications ranging from
  1102. quantum key distribution to distributed sensors and clocks. In many of these
  1103. schemes, relativistic transformations may have deleterious effects on the
  1104. purity of the distributed entangled pairs. This becomes particularly important
  1105. for the application of distributed clocks. In this paper, we have developed a
  1106. Lorentz invariant entanglement distribution protocol that completely removes
  1107. the effects due to the relative motions of the satellites.
  1108. &lt;/blockquote&gt;
  1109. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  1110. &lt;tr&gt;
  1111. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  1112. &lt;/td&gt;
  1113. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Quantum Physics (quant-ph)&lt;/span&gt;&lt;/td&gt;
  1114. &lt;/tr&gt;
  1115. &lt;tr&gt;
  1116. &lt;td class=&quot;tablecell label&quot;&gt;
  1117. Cite&amp;nbsp;as:
  1118. &lt;/td&gt;
  1119. &lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1704.04774&quot;&gt;arXiv:1704.04774&lt;/a&gt; [quant-ph]&lt;/td&gt;&lt;/tr&gt;
  1120. &lt;/tbody&gt;&lt;/table&gt;
  1121. &lt;/div&gt;
  1122. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/5208304415496157504/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/lorentz-invariant-entanglement.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5208304415496157504'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5208304415496157504'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/lorentz-invariant-entanglement.html' title='Lorentz invariant entanglement distribution for the space-based quantum network'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-7407275996328749999</id><published>2017-07-31T14:14:00.001-07:00</published><updated>2017-07-31T14:14:23.730-07:00</updated><title type='text'>Modeling the atomtronic analog of an optical polarizing beam splitter, a half-wave plate, and a quarter-wave plate for phonons of the motional state of two trapped atom</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1123. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Mohseni_N/0/1/0/all/0/1&quot;&gt;Naieme Mohseni&lt;/a&gt;,
  1124. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Fani_M/0/1/0/all/0/1&quot;&gt;Marjan Fani&lt;/a&gt;,
  1125. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;,
  1126. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Saeidian_S/0/1/0/all/0/1&quot;&gt;Shahpoor Saeidian&lt;/a&gt;
  1127. &lt;br /&gt;
  1128. &lt;div class=&quot;dateline&quot;&gt;
  1129. (Submitted on 5 Mar 2017)&lt;/div&gt;
  1130. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  1131. In this paper we propose a scheme to model the phonon analog of optical
  1132. elements, including a polarizing beam splitter, a half- wave plate, and a
  1133. quarter- wave plate, as well as an implementation of CNOT and Pauli gates, by
  1134. using two atoms confined in a 2D plane. The internal states of the atoms are
  1135. taken to be Rydberg circular states. Using this model we can manipulate the
  1136. motional state of the atom, with possible applications in optomechanical
  1137. integrated circuits for quantum information processing and quantum simulation.
  1138. Towards this aim, we study the interaction of two trapped atoms with two
  1139. circularly polarized Laguerre-Gaussian beams, in such a way that the beams
  1140. illuminate selectively only one of the atoms.
  1141. &lt;/blockquote&gt;
  1142. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  1143. &lt;tr&gt;
  1144. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  1145. &lt;/td&gt;
  1146. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Quantum Physics (quant-ph)&lt;/span&gt;&lt;/td&gt;
  1147. &lt;/tr&gt;
  1148. &lt;tr&gt;
  1149. &lt;td class=&quot;tablecell label&quot;&gt;
  1150. Cite&amp;nbsp;as:
  1151. &lt;/td&gt;
  1152. &lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1703.01566&quot;&gt;arXiv:1703.01566&lt;/a&gt; [quant-ph]&lt;/td&gt;&lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;br /&gt;&amp;nbsp;&lt;/td&gt;&lt;td class=&quot;tablecell arxivid&quot;&gt;&amp;nbsp;Accepted for Publication in PRA. &lt;/td&gt;&lt;/tr&gt;
  1153. &lt;/tbody&gt;&lt;/table&gt;
  1154. &lt;/div&gt;
  1155. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/7407275996328749999/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/modeling-atomtronic-analog-of-optical.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7407275996328749999'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/7407275996328749999'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/modeling-atomtronic-analog-of-optical.html' title='Modeling the atomtronic analog of an optical polarizing beam splitter, a half-wave plate, and a quarter-wave plate for phonons of the motional state of two trapped atom'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-8192306455934282714</id><published>2017-07-31T14:13:00.001-07:00</published><updated>2017-07-31T14:13:16.159-07:00</updated><title type='text'>Optimal digital dynamical decoupling for general decoherence via Walsh modulation</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1156. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Qi_H/0/1/0/all/0/1&quot;&gt;Haoyu Qi&lt;/a&gt;,
  1157. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;,
  1158. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Viola_L/0/1/0/all/0/1&quot;&gt;Lorenza Viola&lt;/a&gt;
  1159. &lt;br /&gt;
  1160. &lt;div class=&quot;dateline&quot;&gt;
  1161. (Submitted on 17 Feb 2017)&lt;/div&gt;
  1162. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  1163. We provide a general framework for constructing digital dynamical decoupling
  1164. sequences based on Walsh modulation --- applicable to arbitrary qubit
  1165. decoherence scenarios. By establishing equivalence between decoupling design
  1166. based on Walsh functions and on concatenated projections, we identify a family
  1167. of {\em optimal Walsh sequences}, which can be exponentially more efficient, in
  1168. terms of the required total pulse number, for fixed cancellation order, than
  1169. known digital sequences based on concatenated design. Optimal sequences for a
  1170. given cancellation order are highly non-unique --- their performance depending
  1171. sensitively on the control path. We provide an analytic upper bound to the
  1172. achievable decoupling error, and show how sequences within the optimal Walsh
  1173. family can substantially outperform concatenated decoupling, while respecting
  1174. realistic timing constraints. We validate these conclusions by numerically
  1175. computing the average fidelity in a toy model capturing the essential feature
  1176. of hyperfine-induced decoherence in a quantum dot.
  1177. &lt;/blockquote&gt;
  1178. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  1179. &lt;tr&gt;
  1180. &lt;td class=&quot;tablecell label&quot;&gt;Comments:
  1181. &lt;/td&gt;
  1182. &lt;td class=&quot;tablecell comments&quot;&gt;10 pages, 1 figure&lt;/td&gt;
  1183. &lt;/tr&gt;
  1184. &lt;tr&gt;
  1185. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  1186. &lt;/td&gt;
  1187. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Quantum Physics (quant-ph)&lt;/span&gt;&lt;/td&gt;
  1188. &lt;/tr&gt;
  1189. &lt;tr&gt;
  1190. &lt;td class=&quot;tablecell label&quot;&gt;
  1191. Cite&amp;nbsp;as:
  1192. &lt;/td&gt;
  1193. &lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1702.05533&quot;&gt;arXiv:1702.05533&lt;/a&gt; [quant-ph]&lt;/td&gt;&lt;/tr&gt;
  1194. &lt;/tbody&gt;&lt;/table&gt;
  1195. &lt;/div&gt;
  1196. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/8192306455934282714/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/optimal-digital-dynamical-decoupling.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8192306455934282714'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/8192306455934282714'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/optimal-digital-dynamical-decoupling.html' title='Optimal digital dynamical decoupling for general decoherence via Walsh modulation'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-5745614642604246601</id><published>2017-07-31T14:12:00.001-07:00</published><updated>2017-07-31T14:12:08.745-07:00</updated><title type='text'>Gaussian Beam-Propagation Theory for Nonlinear Optics - Featuring an Exact Treatment of Orbital Angular Momentum Transfer</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1197. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Lanning_R/0/1/0/all/0/1&quot;&gt;R. Nicholas Lanning&lt;/a&gt;,
  1198. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Xiao_Z/0/1/0/all/0/1&quot;&gt;Zhihao Xiao&lt;/a&gt;,
  1199. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Zhang_M/0/1/0/all/0/1&quot;&gt;Mi Zhang&lt;/a&gt;,
  1200. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Novikova_I/0/1/0/all/0/1&quot;&gt;Irina Novikova&lt;/a&gt;,
  1201. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Mikhailov_E/0/1/0/all/0/1&quot;&gt;Eugeniy Mikhailov&lt;/a&gt;,
  1202. &lt;a href=&quot;https://arxiv.org/find/physics/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;
  1203. &lt;br /&gt;
  1204. &lt;div class=&quot;dateline&quot;&gt;
  1205. (Submitted on 3 Feb 2017 (&lt;a href=&quot;https://arxiv.org/abs/1702.01095v1&quot;&gt;v1&lt;/a&gt;), last revised 25 Apr 2017 (this version, v2))&lt;/div&gt;
  1206. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  1207. We present a general, Gaussian spatial mode propagation formalism for
  1208. describing the generation of higher order multi-spatial-mode beams generated
  1209. during nonlinear interactions. Furthermore, to implement the theory, we
  1210. simulate optical angular momentum transfer interactions, and show how one can
  1211. optimize the interaction to reduce the undesired modes. Past theoretical
  1212. treatments of this problem have often been phenomenological, at best. Here we
  1213. present an exact solution for the single-pass no-cavity regime, in which the
  1214. the nonlinear interaction is not overly strong. We apply our theory to two
  1215. experiments, with very good agreement, and give examples of several more
  1216. configurations, easily tested in the laboratory.
  1217. &lt;/blockquote&gt;
  1218. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  1219. &lt;tr&gt;
  1220. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  1221. &lt;/td&gt;
  1222. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Optics (physics.optics)&lt;/span&gt;; Quantum Physics (quant-ph)&lt;/td&gt;
  1223. &lt;/tr&gt;
  1224. &lt;tr&gt;
  1225. &lt;td class=&quot;tablecell label&quot;&gt;
  1226. Journal&amp;nbsp;reference:
  1227. &lt;/td&gt;
  1228. &lt;td class=&quot;tablecell jref&quot;&gt;Phys. Rev. A 96, 013830 (2017)&lt;/td&gt;
  1229. &lt;/tr&gt;
  1230. &lt;tr&gt;
  1231. &lt;td class=&quot;tablecell label&quot;&gt;
  1232. &lt;abbr title=&quot;Digital Object Identifier&quot;&gt;DOI&lt;/abbr&gt;:
  1233. &lt;/td&gt;
  1234. &lt;td class=&quot;tablecell doi&quot;&gt;&lt;a href=&quot;https://arxiv.org/ct?url=http%3A%2F%2Fdx.doi.org%2F10%252E1103%2FPhysRevA%252E96%252E013830&amp;amp;v=28d70e8e&quot;&gt;10.1103/PhysRevA.96.013830&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1235. &lt;/tbody&gt;&lt;/table&gt;
  1236. &lt;/div&gt;
  1237. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/5745614642604246601/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/gaussian-beam-propagation-theory-for.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5745614642604246601'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5745614642604246601'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/gaussian-beam-propagation-theory-for.html' title='Gaussian Beam-Propagation Theory for Nonlinear Optics - Featuring an Exact Treatment of Orbital Angular Momentum Transfer'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-6761336519654713403</id><published>2017-07-31T14:09:00.002-07:00</published><updated>2017-07-31T14:09:25.171-07:00</updated><title type='text'>#WIDOMSUMVAC --- LOS ANGELES</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1238. &lt;br /&gt;
  1239. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1240. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgc6lwlZv9tVug_6284FWEg8HQ5_Bfytdvq-QU0X5ps4DSW3YtFHAmTb5jUqMZgI0OByM-eIlEECmK3wKSvdRAltfKylfelXKM7RfwQqELGdcLnvw-SME1-IMLwyJ6gY_blFaUWzZ8J4mu4/s1600/IMG_20170719_103251.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1600&quot; data-original-width=&quot;1200&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgc6lwlZv9tVug_6284FWEg8HQ5_Bfytdvq-QU0X5ps4DSW3YtFHAmTb5jUqMZgI0OByM-eIlEECmK3wKSvdRAltfKylfelXKM7RfwQqELGdcLnvw-SME1-IMLwyJ6gY_blFaUWzZ8J4mu4/s320/IMG_20170719_103251.jpg&quot; width=&quot;240&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1241. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Do not tap on glass. It frightens the physicist.&lt;/td&gt;&lt;/tr&gt;
  1242. &lt;/tbody&gt;&lt;/table&gt;
  1243. &lt;br /&gt;
  1244. &lt;br /&gt;
  1245. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1246. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikQa508YfHq_0qBSFTDOu6xFa8H1hfYo7ilfsQboaArmV49DvC_SKXOcAEJnM0KoN5_fEzSFCC_a2g59p6u3EUW-ZQqF6fpI96boad3fJLo45_wRRDJf2unxtWC9XNO5D-rQe8lL8olTRl/s1600/IMG_20170720_125642.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikQa508YfHq_0qBSFTDOu6xFa8H1hfYo7ilfsQboaArmV49DvC_SKXOcAEJnM0KoN5_fEzSFCC_a2g59p6u3EUW-ZQqF6fpI96boad3fJLo45_wRRDJf2unxtWC9XNO5D-rQe8lL8olTRl/s320/IMG_20170720_125642.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1247. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;The entire building is a white board.&lt;/td&gt;&lt;/tr&gt;
  1248. &lt;/tbody&gt;&lt;/table&gt;
  1249. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  1250. &lt;/div&gt;
  1251. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  1252. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgH205_U1LBIdcBSLVEbzWi7C2SPs1j34LhW-swrOqo_vHAhnmidoqYfvXueqN-LnyCTSGkGqbTisi_1EqOdR-djGBxTTcxYnBI0YPlfoS4S2btw33E9nqv2LgHowFAxknOZDH7wYQQKblG/s1600/IMG_20170720_170724.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgH205_U1LBIdcBSLVEbzWi7C2SPs1j34LhW-swrOqo_vHAhnmidoqYfvXueqN-LnyCTSGkGqbTisi_1EqOdR-djGBxTTcxYnBI0YPlfoS4S2btw33E9nqv2LgHowFAxknOZDH7wYQQKblG/s320/IMG_20170720_170724.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1253. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgj6cpczar8m98__ld34TM31HsQa-SdTyEbN2Ol__92Ye6nfiYZvGFWjc8TJpeyJlHJD44ia3yC2jvFDTK4xWXp-BFL-LGeKqsZRikV88jEGKeUtcEwtLuOqwr2NazwuzhDu8Jc2UDTV3ES/s1600/IMG_20170717_135322.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1600&quot; data-original-width=&quot;1200&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgj6cpczar8m98__ld34TM31HsQa-SdTyEbN2Ol__92Ye6nfiYZvGFWjc8TJpeyJlHJD44ia3yC2jvFDTK4xWXp-BFL-LGeKqsZRikV88jEGKeUtcEwtLuOqwr2NazwuzhDu8Jc2UDTV3ES/s320/IMG_20170717_135322.jpg&quot; width=&quot;240&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1254. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;And then Nick Studer died. &lt;/td&gt;&lt;/tr&gt;
  1255. &lt;/tbody&gt;&lt;/table&gt;
  1256. &lt;/div&gt;
  1257. &lt;br /&gt;
  1258. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1259. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikWHXjlawrX-cO3kpZteWazyomxYV_Ud6vQr1hEDFdtd6W5lNVYompucMS-mZAOAvXN_vo7kG0BrXeDp9x8781LSUxMr-lXJQaBJspsfYi1zIusvCZfrCZUdaOt5OAHxG0IBEQQ_f-3-se/s1600/IMG_20170720_154551.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikWHXjlawrX-cO3kpZteWazyomxYV_Ud6vQr1hEDFdtd6W5lNVYompucMS-mZAOAvXN_vo7kG0BrXeDp9x8781LSUxMr-lXJQaBJspsfYi1zIusvCZfrCZUdaOt5OAHxG0IBEQQ_f-3-se/s320/IMG_20170720_154551.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1260. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;LSU PhD student, Nick Studer, and former LSU PhD student,&lt;br /&gt;Prof. Ryan Glasser, hammer it out.&lt;/td&gt;&lt;/tr&gt;
  1261. &lt;/tbody&gt;&lt;/table&gt;
  1262. &lt;br /&gt;
  1263. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1264. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmKq4Kv8GTU4RMAKkfg8Niow5uSG7jvX3qakCFCUgbfv45fE5WLSsdkvxEWmf2OBcXs-X-0LIfQkPDLEJvWk4v2YVqyvTlaKElNMzc7D19XdyfzFqabExfjbmm0sssNUd3__qklL14gpFj/s1600/IMG_20170720_170630.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1600&quot; data-original-width=&quot;1200&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmKq4Kv8GTU4RMAKkfg8Niow5uSG7jvX3qakCFCUgbfv45fE5WLSsdkvxEWmf2OBcXs-X-0LIfQkPDLEJvWk4v2YVqyvTlaKElNMzc7D19XdyfzFqabExfjbmm0sssNUd3__qklL14gpFj/s320/IMG_20170720_170630.jpg&quot; width=&quot;240&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1265. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;And my mom used to spank me when I wrote on the walls. &lt;/td&gt;&lt;/tr&gt;
  1266. &lt;/tbody&gt;&lt;/table&gt;
  1267. &lt;br /&gt;
  1268. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1269. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1-K9CiF2-iiaAJoIRmUWItowLqKZTKLDKVTxG0SwxomYoGKevAN1XSnuS7R7oZmP53awxK2NbFj0ey-zp0UeZHfd13D4jYVLQbUlPgUaDjnzq2f32yR5CZzuDZ1sgDf3DZT3Av9UT-vyL/s1600/IMG_20170721_153452.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1600&quot; data-original-width=&quot;1200&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1-K9CiF2-iiaAJoIRmUWItowLqKZTKLDKVTxG0SwxomYoGKevAN1XSnuS7R7oZmP53awxK2NbFj0ey-zp0UeZHfd13D4jYVLQbUlPgUaDjnzq2f32yR5CZzuDZ1sgDf3DZT3Av9UT-vyL/s320/IMG_20170721_153452.jpg&quot; width=&quot;240&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1270. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Matt shows off the TES photon-number-resolving detector. &lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;br /&gt;&lt;/td&gt;&lt;/tr&gt;
  1271. &lt;/tbody&gt;&lt;/table&gt;
  1272. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1273. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDbOkxWflMigFN_h-PlbsOx72LeWS2YZphPdsBrgQNbYnd60uHpSnDB3KglDqIzsklfERnri5P_s8MPxwzPSZIKAHfJc8dxzK9AOSRDVgCSi4zvM4OgLlUwZduuIwmNc7x_7bTj3xw6kNa/s1600/IMG_20170721_153959.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDbOkxWflMigFN_h-PlbsOx72LeWS2YZphPdsBrgQNbYnd60uHpSnDB3KglDqIzsklfERnri5P_s8MPxwzPSZIKAHfJc8dxzK9AOSRDVgCSi4zvM4OgLlUwZduuIwmNc7x_7bTj3xw6kNa/s320/IMG_20170721_153959.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1274. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Don&#39;t touch the TES! An example of active quantum control.&lt;/td&gt;&lt;/tr&gt;
  1275. &lt;/tbody&gt;&lt;/table&gt;
  1276. &lt;br /&gt;
  1277. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1278. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOoC4BfyfyFh_Xq16BDMQ5_e2lqmKeBquVGYhQT156joz0gd9KtM9Ch_XlOtaJd4iCqubw6CeBuCz4Q3Jg6OEvXJO2mlyUy8bJM4KZeAlOI1n7W-U6Hp2q-BmSUEMavw5eVIq_TMYxUI11/s1600/IMG_20170721_154432.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOoC4BfyfyFh_Xq16BDMQ5_e2lqmKeBquVGYhQT156joz0gd9KtM9Ch_XlOtaJd4iCqubw6CeBuCz4Q3Jg6OEvXJO2mlyUy8bJM4KZeAlOI1n7W-U6Hp2q-BmSUEMavw5eVIq_TMYxUI11/s320/IMG_20170721_154432.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1279. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&quot;So THIS is a spatial light modulator,&quot; &lt;br /&gt;says LSU PhD student Nick Lanning. &lt;/td&gt;&lt;/tr&gt;
  1280. &lt;/tbody&gt;&lt;/table&gt;
  1281. &lt;br /&gt;&lt;/div&gt;
  1282. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/6761336519654713403/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/widomsumvac-los-angeles.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6761336519654713403'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6761336519654713403'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/07/widomsumvac-los-angeles.html' title='#WIDOMSUMVAC --- LOS ANGELES'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgc6lwlZv9tVug_6284FWEg8HQ5_Bfytdvq-QU0X5ps4DSW3YtFHAmTb5jUqMZgI0OByM-eIlEECmK3wKSvdRAltfKylfelXKM7RfwQqELGdcLnvw-SME1-IMLwyJ6gY_blFaUWzZ8J4mu4/s72-c/IMG_20170719_103251.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-1183807822889988142</id><published>2017-06-25T20:19:00.002-07:00</published><updated>2017-06-25T20:19:22.811-07:00</updated><title type='text'>Multiparameter estimation with single photons</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1283. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+You_C/0/1/0/all/0/1&quot;&gt;Chenglong You&lt;/a&gt;,
  1284. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Adhikari_S/0/1/0/all/0/1&quot;&gt;Sushovit Adhikari&lt;/a&gt;,
  1285. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Chi_Y/0/1/0/all/0/1&quot;&gt;Yuxi Chi&lt;/a&gt;,
  1286. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+LaBorde_M/0/1/0/all/0/1&quot;&gt;Margarite L. LaBorde&lt;/a&gt;,
  1287. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Matyas_C/0/1/0/all/0/1&quot;&gt;Corey T. Matyas&lt;/a&gt;,
  1288. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Zhang_C/0/1/0/all/0/1&quot;&gt;Chenyu Zhang&lt;/a&gt;,
  1289. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Su_Z/0/1/0/all/0/1&quot;&gt;Zuen Su&lt;/a&gt;,
  1290. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Byrnes_T/0/1/0/all/0/1&quot;&gt;Tim Byrnes&lt;/a&gt;,
  1291. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Lu_C/0/1/0/all/0/1&quot;&gt;Chaoyang Lu&lt;/a&gt;,
  1292. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Dowling_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Dowling&lt;/a&gt;,
  1293. &lt;a href=&quot;https://arxiv.org/find/quant-ph/1/au:+Olson_J/0/1/0/all/0/1&quot;&gt;Jonathan P. Olson&lt;/a&gt;
  1294. &lt;br /&gt;
  1295. &lt;div class=&quot;dateline&quot;&gt;
  1296. (Submitted on 17 Jun 2017)&lt;/div&gt;
  1297. &lt;blockquote class=&quot;abstract mathjax&quot;&gt;
  1298. It was suggested in Ref. [Phys. Rev. Lett. 114, 170802] that optical networks
  1299. with relatively inexpensive overhead---single photon Fock states, passive
  1300. optical elements, and single photon detection---can show significant
  1301. improvements over classical strategies for single-parameter estimation, when
  1302. the number of modes in the network is small (n &amp;lt; 7). A similar case was made in
  1303. Ref. [Phys. Rev. Lett. 111, 070403] for multi-parameter estimation, where
  1304. measurement is instead made using photon-number resolving detectors. In this
  1305. paper, we analytically compute the quantum Cram\&#39;er-Rao bound to show these
  1306. networks can have a constant-factor quantum advantage in multi-parameter
  1307. estimation for even large number of modes. Additionally, we provide a
  1308. simplified measurement scheme using only single-photon (on-off) detectors that
  1309. is capable of approximately obtaining this sensitivity for a small number of
  1310. modes.
  1311. &lt;/blockquote&gt;
  1312. &lt;table summary=&quot;Additional metadata&quot;&gt;&lt;tbody&gt;
  1313. &lt;tr&gt;
  1314. &lt;td class=&quot;tablecell label&quot;&gt;Comments:
  1315. &lt;/td&gt;
  1316. &lt;td class=&quot;tablecell comments&quot;&gt;13 pages, 3 figures&lt;/td&gt;
  1317. &lt;/tr&gt;
  1318. &lt;tr&gt;
  1319. &lt;td class=&quot;tablecell label&quot;&gt;Subjects:
  1320. &lt;/td&gt;
  1321. &lt;td class=&quot;tablecell subjects&quot;&gt;&lt;span class=&quot;primary-subject&quot;&gt;Quantum Physics (quant-ph)&lt;/span&gt;&lt;/td&gt;
  1322. &lt;/tr&gt;
  1323. &lt;tr&gt;
  1324. &lt;td class=&quot;tablecell label&quot;&gt;
  1325. Cite&amp;nbsp;as:
  1326. &lt;/td&gt;
  1327. &lt;td class=&quot;tablecell arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1706.05492&quot;&gt;arXiv:1706.05492&lt;/a&gt; [quant-ph]&lt;/td&gt;
  1328. &lt;/tr&gt;
  1329. &lt;tr&gt;
  1330. &lt;td class=&quot;tablecell label&quot;&gt;&amp;nbsp;&lt;/td&gt;
  1331. &lt;td class=&quot;tablecell arxividv&quot;&gt;(or &lt;span class=&quot;arxivid&quot;&gt;&lt;a href=&quot;https://arxiv.org/abs/1706.05492v1&quot;&gt;arXiv:1706.05492v1&lt;/a&gt; [quant-ph]&lt;/span&gt; for this version)&lt;/td&gt;&lt;/tr&gt;
  1332. &lt;/tbody&gt;&lt;/table&gt;
  1333. &lt;/div&gt;
  1334. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/1183807822889988142/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/multiparameter-estimation-with-single.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/1183807822889988142'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/1183807822889988142'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/multiparameter-estimation-with-single.html' title='Multiparameter estimation with single photons'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-6979797370835775050</id><published>2017-06-23T04:43:00.000-07:00</published><updated>2017-06-23T04:43:37.408-07:00</updated><title type='text'>#WIDOMSUMVAC — TOKYO DAY 14!</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1335. &lt;span id=&quot;goog_1040877985&quot;&gt;&lt;/span&gt;&lt;span id=&quot;goog_1040877986&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-size: large;&quot;&gt;My last day at &lt;a href=&quot;http://www.nict.go.jp/en/quantum/&quot; target=&quot;_blank&quot;&gt;QICT@NICT&lt;/a&gt;! A couple of new traditions this year. Thursday night do-it-yourself Korean-style BBQ dinner and Friday sushi lunch to welcome all the visitors. Final meeting with Kouichi Semba, Masahiro Takeoka, and Masahide Sasake with my students Haoyu Qi and Zhihao Xiao in about an hour to iron out the theory of a superconducting qubit strongly coupled to the quantum photon field in a microwave cavity.&amp;nbsp; &lt;/span&gt;&lt;br /&gt;
  1336. &lt;br /&gt;
  1337. &lt;span style=&quot;font-size: large;&quot;&gt;Dr. Semba&#39;s team is vigorously working on the experiments and we&#39;re happy to help with the theory.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  1338. &lt;br /&gt;
  1339. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1340. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVwRdu2P9qE1MiqWi5L6ZGF_JVkMcsAJtw35_64BIRn0S7j93LctU1HZIVbOQaMu9r8zmDZMvgHHPMsfrfkfb0MYzaQVd3ct9kFRM5nRB_7aVUxHYycTjbfITtrEukWci3Lcpv1ntzS8Y_/s1600/nphys3906-f1.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;200&quot; data-original-width=&quot;175&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVwRdu2P9qE1MiqWi5L6ZGF_JVkMcsAJtw35_64BIRn0S7j93LctU1HZIVbOQaMu9r8zmDZMvgHHPMsfrfkfb0MYzaQVd3ct9kFRM5nRB_7aVUxHYycTjbfITtrEukWci3Lcpv1ntzS8Y_/s1600/nphys3906-f1.jpg&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1341. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;Semba-san&#39;s &lt;a href=&quot;https://www.nature.com/nphys/journal/v13/n1/full/nphys3906.html&quot; target=&quot;_blank&quot;&gt;superconducting qubit&lt;/a&gt;&lt;br /&gt;in the the super-duper ultra-strong coupling regime. &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1342. &lt;/tbody&gt;&lt;/table&gt;
  1343. &lt;br /&gt;
  1344. &lt;span style=&quot;font-size: large;&quot;&gt;Haoyu and Masahiro are making great progress on a squeezing assisted quantum cryptography scheme. More photos of writing on the white board, the Korean BBQ, and sushi lunch!&lt;/span&gt;&lt;br /&gt;
  1345. &lt;br /&gt;
  1346. &lt;span style=&quot;font-size: large;&quot;&gt;Then tomorrow I catch my 10AM flight from Tokyo back home: NRT-DFW-BTR! Apparently I escaped running into &lt;a href=&quot;https://weather.com/storms/hurricane/news/tropical-storm-cindy-gulf-of-mexico&quot; target=&quot;_blank&quot;&gt;tropical storm Cindy&lt;/a&gt; on the way back.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  1347. &lt;br /&gt;
  1348. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
  1349. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
  1350. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1351. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6nvWp4oJUYcN4SxxppDUEjmLw6Oalxe5W9w0mancuno0LEC3nCsPkrMFmnp2sXTkCc2VHqSLVwsJl4YcRab9vybpEMw6ITs98MWWTFIzGxlGY2R5fimtIiDGeUOs5DsbG-IKCJALjOyxq/s1600/IMG_3275.JPG&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6nvWp4oJUYcN4SxxppDUEjmLw6Oalxe5W9w0mancuno0LEC3nCsPkrMFmnp2sXTkCc2VHqSLVwsJl4YcRab9vybpEMw6ITs98MWWTFIzGxlGY2R5fimtIiDGeUOs5DsbG-IKCJALjOyxq/s320/IMG_3275.JPG&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1352. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;Me making mistakes.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1353. &lt;/tbody&gt;&lt;/table&gt;
  1354. &lt;br /&gt;
  1355. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1356. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0w0ygxVezHKfYPAFGvbSnYXeHrog5wORaIFGlClftPosNgf3S4ycpAVVkMT4CVlEqXnYsEq6TPOUZX8quhhsm_wKsxJ69Z6wQjLfBcniKPpgvsRQPf4617B4TPcJBY4I46XwqOFqrHL3J/s1600/IMG_20170619_145317.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0w0ygxVezHKfYPAFGvbSnYXeHrog5wORaIFGlClftPosNgf3S4ycpAVVkMT4CVlEqXnYsEq6TPOUZX8quhhsm_wKsxJ69Z6wQjLfBcniKPpgvsRQPf4617B4TPcJBY4I46XwqOFqrHL3J/s320/IMG_20170619_145317.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1357. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;Haoyu fixing my mistakes!&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1358. &lt;/tbody&gt;&lt;/table&gt;
  1359. &lt;br /&gt;
  1360. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1361. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjr1i9fT67R7wyGjwLYyypUtc1jQoTE7kP3e0vXhBlfD0qAkc-SQKQA5SLfPcYin4A_OdHCThTytUtR1uUe2LDl80f8YU3QIbWpOROB2ETYFQFyylMpQB2pJNGV5wTcnGUkW4_t-8F2uynx/s1600/IMG_20170622_165237.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjr1i9fT67R7wyGjwLYyypUtc1jQoTE7kP3e0vXhBlfD0qAkc-SQKQA5SLfPcYin4A_OdHCThTytUtR1uUe2LDl80f8YU3QIbWpOROB2ETYFQFyylMpQB2pJNGV5wTcnGUkW4_t-8F2uynx/s320/IMG_20170622_165237.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1362. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;Traditional photo of me in front of some random piece of equipment:&lt;br /&gt;In this case the free-space laser communication system.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1363. &lt;/tbody&gt;&lt;/table&gt;
  1364. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1365. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUQ_loD-OjdEMZQ5FgO8QFjENyqbTQUtSdkWHOWT8uW6OVLX6oPg17R1RVhYIRYmzLUuPi8W57xj9Q6gN5HxrDyyP1eFMUlg4ul67zZKdYHtao-HNktr2lWgHXvcBPktfGWnmHCQ5g7Gpt/s1600/19442027_745652018939863_22691652422364895_o.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;900&quot; data-original-width=&quot;1600&quot; height=&quot;179&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUQ_loD-OjdEMZQ5FgO8QFjENyqbTQUtSdkWHOWT8uW6OVLX6oPg17R1RVhYIRYmzLUuPi8W57xj9Q6gN5HxrDyyP1eFMUlg4ul67zZKdYHtao-HNktr2lWgHXvcBPktfGWnmHCQ5g7Gpt/s320/19442027_745652018939863_22691652422364895_o.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1366. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;Traditional Japanese-style Korean BBQ. &lt;br /&gt;I&#39;m doing my Popeye imitation. &lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1367. &lt;/tbody&gt;&lt;/table&gt;
  1368. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1369. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHcN8Yjwzx71VgfmVIywNDfJvADh-wimw24BwAp2A2T_o4dumsHdOX7GFnG7vBhfZalfOKxMEikjCr0996_jzssk_zQxSXdIDXtcEhoJ0v3gLfrEnaChhy6z8Zz0hBG0WC_ej5kqBoZupX/s1600/IMG_20170622_191603.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHcN8Yjwzx71VgfmVIywNDfJvADh-wimw24BwAp2A2T_o4dumsHdOX7GFnG7vBhfZalfOKxMEikjCr0996_jzssk_zQxSXdIDXtcEhoJ0v3gLfrEnaChhy6z8Zz0hBG0WC_ej5kqBoZupX/s320/IMG_20170622_191603.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1370. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;&quot;To past, present, and future collaborations!&quot;&amp;nbsp;&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1371. &lt;/tbody&gt;&lt;/table&gt;
  1372. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1373. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYaeMPIgopdEtOfddaTGLjQ4zehAa4L1U8yVxh-RiKBaPGS45y6C8Fva_JrLQDUfQLJK8qDWY7AiNega4lnYFyB8ICWJNY8Y4hbfEK_7ZhODzVfIKDjCdME_hY3hmTO4-ngsTq7Tl7Lrav/s1600/IMG_20170623_124723.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYaeMPIgopdEtOfddaTGLjQ4zehAa4L1U8yVxh-RiKBaPGS45y6C8Fva_JrLQDUfQLJK8qDWY7AiNega4lnYFyB8ICWJNY8Y4hbfEK_7ZhODzVfIKDjCdME_hY3hmTO4-ngsTq7Tl7Lrav/s320/IMG_20170623_124723.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1374. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;LSU PhD student Haoyu Qi gives his speech.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1375. &lt;/tbody&gt;&lt;/table&gt;
  1376. &lt;br /&gt;
  1377. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1378. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbIKwOMYLxkqQ-XRpArHLK1auFe1dIw1Y8zFTzS6I-5vYR5Vp2H4s_JMp-WdP7j0jq9q32kgUzlXXjaiEHWS08troDx5Iy3GaKGEtrtFiLp3njI32yTcoyN-W2Czdsn7G8NvOpXlIkMe_W/s1600/IMG_20170623_124815.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbIKwOMYLxkqQ-XRpArHLK1auFe1dIw1Y8zFTzS6I-5vYR5Vp2H4s_JMp-WdP7j0jq9q32kgUzlXXjaiEHWS08troDx5Iy3GaKGEtrtFiLp3njI32yTcoyN-W2Czdsn7G8NvOpXlIkMe_W/s320/IMG_20170623_124815.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1379. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;LSU PhD student Zhihao Xiao gives his. &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  1380. &lt;/tbody&gt;&lt;/table&gt;
  1381. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;br /&gt; &lt;/span&gt;&lt;br /&gt;
  1382. &lt;br /&gt;&lt;/div&gt;
  1383. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/6979797370835775050/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-14.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6979797370835775050'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6979797370835775050'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-14.html' title='#WIDOMSUMVAC — TOKYO DAY 14!'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVwRdu2P9qE1MiqWi5L6ZGF_JVkMcsAJtw35_64BIRn0S7j93LctU1HZIVbOQaMu9r8zmDZMvgHHPMsfrfkfb0MYzaQVd3ct9kFRM5nRB_7aVUxHYycTjbfITtrEukWci3Lcpv1ntzS8Y_/s72-c/nphys3906-f1.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-6475911875152273729</id><published>2017-06-17T03:01:00.001-07:00</published><updated>2017-06-17T03:01:58.924-07:00</updated><title type='text'>#WIDOMSUMVAC — TOKYO DAY FIVE!</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1384. &lt;span style=&quot;font-size: large;&quot;&gt;Then end of week one at NICT. Lots of progress on many fronts! Publications are coming soon. Week exciting for other reasons. First publication on exciting data from Chinese Quantum Satellite. Read my interview in Newsweek &lt;a href=&quot;http://www.newsweek.com/cyber-security-attacks-are-global-threat-chinese-scientists-have-answer-626090&quot; target=&quot;_blank&quot;&gt;here&lt;/a&gt;.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  1385. &lt;br /&gt;
  1386. &lt;span style=&quot;font-size: large;&quot;&gt;After so much fine work my two students, Haoyu Qi and Zihao Xiao, celebrated with our Japanese colleagues with seafood, beer, and a wee drop of saké.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  1387. &lt;br /&gt;
  1388. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  1389. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqlqjl_lXsvTt2vMHMILCBXTMloes_vFRXcuvvPOAigZoYc5bUcvqLEMXLB7CBXdZKFsU-GbcvHGeBHIDp4DX8gGGWLpZrR4Yeew4PQn2hi9e5fYcqNXN5LcT0mrqY6rCM19ADUcSnRLaj/s1600/IMG_20170616_185140.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqlqjl_lXsvTt2vMHMILCBXTMloes_vFRXcuvvPOAigZoYc5bUcvqLEMXLB7CBXdZKFsU-GbcvHGeBHIDp4DX8gGGWLpZrR4Yeew4PQn2hi9e5fYcqNXN5LcT0mrqY6rCM19ADUcSnRLaj/s320/IMG_20170616_185140.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  1390. &lt;br /&gt;
  1391. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  1392. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNLqPLycLseP2fUdmWSPL-12DaFK7VTi1m-juims6qCISMk7b1FcICs5jY84QCo4zv1CNUsmyM4XltFjpIVAeYlS7zh9CYTz-WD0AWVeYlkyzS7wKGfNOWtrxmi1yY8ZMz4WRu-RH7ijXH/s1600/IMG_20170616_185158.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNLqPLycLseP2fUdmWSPL-12DaFK7VTi1m-juims6qCISMk7b1FcICs5jY84QCo4zv1CNUsmyM4XltFjpIVAeYlS7zh9CYTz-WD0AWVeYlkyzS7wKGfNOWtrxmi1yY8ZMz4WRu-RH7ijXH/s320/IMG_20170616_185158.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  1393. &lt;br /&gt;
  1394. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  1395. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2oVSCrsW_f-sKnarHrakwx76evQCTJC1upxoKbijxdadz2chu_BGiCxA1au-r_YVOThG2FvJ1ejVl8lXpc2bEgMYG3mTWj_nTYmtqtMPyqsEatvi2gi2Q5JfHRZcWdJMHgLO-Fa5iyXuW/s1600/IMG_20170616_185255.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2oVSCrsW_f-sKnarHrakwx76evQCTJC1upxoKbijxdadz2chu_BGiCxA1au-r_YVOThG2FvJ1ejVl8lXpc2bEgMYG3mTWj_nTYmtqtMPyqsEatvi2gi2Q5JfHRZcWdJMHgLO-Fa5iyXuW/s320/IMG_20170616_185255.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  1396. &lt;br /&gt;
  1397. &lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
  1398. &lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1R2IacFMeNEfg6pnePjvnCag8rd9xuoa_43lt4m9X2bVqB7XQAPWy1epfPcqGrHYIlN9iLSekFPxz03P6iHAWNjaGm4-8pXNfyuJZKtPrLO0d1b8vu0iR31RDk7JHZmlS2dA0oDsN541e/s1600/IMG_20170616_185302.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1R2IacFMeNEfg6pnePjvnCag8rd9xuoa_43lt4m9X2bVqB7XQAPWy1epfPcqGrHYIlN9iLSekFPxz03P6iHAWNjaGm4-8pXNfyuJZKtPrLO0d1b8vu0iR31RDk7JHZmlS2dA0oDsN541e/s320/IMG_20170616_185302.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
  1399. &lt;br /&gt;
  1400. &lt;br /&gt;
  1401. &lt;span style=&quot;font-size: large;&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
  1402. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/6475911875152273729/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-five.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6475911875152273729'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/6475911875152273729'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-five.html' title='#WIDOMSUMVAC — TOKYO DAY FIVE!'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqlqjl_lXsvTt2vMHMILCBXTMloes_vFRXcuvvPOAigZoYc5bUcvqLEMXLB7CBXdZKFsU-GbcvHGeBHIDp4DX8gGGWLpZrR4Yeew4PQn2hi9e5fYcqNXN5LcT0mrqY6rCM19ADUcSnRLaj/s72-c/IMG_20170616_185140.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-597497189853659861</id><published>2017-06-14T18:47:00.000-07:00</published><updated>2017-06-14T18:47:59.450-07:00</updated><title type='text'>#WIDOMSUMVAC — Tokyo Day Four!</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1403. &lt;span style=&quot;font-size: large;&quot;&gt;Signed off on a Memorandum of Understanding to codify collaborations between the Japanese NICT Quantum ICT Advanced Development Center and the LSU Hearne Institute of Theoretical Physics.&lt;/span&gt;&lt;br /&gt;
  1404. &lt;br /&gt;
  1405. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1406. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVIY2py5MY3SUfGjV4BasJ7ffVYgRnJ1LX6vFqSVQmqNMNKy61K5ElXpYku66E-Lm-flFkax6ahNB3JsQlp6eHHB1_R1EE1UHJNdnRX9RHlPkOK07xHFBhWDeoSPf7Vbih2xjz-oElb07y/s1600/IMG_2792.JPG&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVIY2py5MY3SUfGjV4BasJ7ffVYgRnJ1LX6vFqSVQmqNMNKy61K5ElXpYku66E-Lm-flFkax6ahNB3JsQlp6eHHB1_R1EE1UHJNdnRX9RHlPkOK07xHFBhWDeoSPf7Vbih2xjz-oElb07y/s320/IMG_2792.JPG&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1407. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Group picture of QICT and me! Dr. Masahide Sasaki, Distinguished Researcher to my immediate left, &lt;br /&gt;Dr. Koichi Semba, to his left (in back), Director Dr. Masahiro Takeoka to his left. &lt;/td&gt;&lt;/tr&gt;
  1408. &lt;/tbody&gt;&lt;/table&gt;
  1409. &lt;span style=&quot;font-size: large;&quot;&gt;My students and I had great discussion with Dr. Semba and his researchers, as well as with Dr. Takeuchi, on their latest experiments with superconducting qubits coupled to a micro resonator in the ultrastrong coupling regime. This ain&#39;t your grandma&#39;s Jaynes-Cummings model.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  1410. &lt;br /&gt;
  1411. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1412. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicJ9IIAYkdAsswqYdfhOt40cOgjyBLRU0dcsarJQzs59cglwcb4nRe5rnfAca90vCLMI1qlCch6Ya_MyjGP4TW0hBcRyQ0Tg7KZnxwvxyuKQJ5faT0qE90E4apMHLidcsj2U-h8_NoduAg/s1600/IMG_20170613_150029.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1278&quot; data-original-width=&quot;959&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicJ9IIAYkdAsswqYdfhOt40cOgjyBLRU0dcsarJQzs59cglwcb4nRe5rnfAca90vCLMI1qlCch6Ya_MyjGP4TW0hBcRyQ0Tg7KZnxwvxyuKQJ5faT0qE90E4apMHLidcsj2U-h8_NoduAg/s320/IMG_20170613_150029.jpg&quot; width=&quot;239&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1413. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Free space laser cryptography system. Not in use today due to rain.&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;br /&gt;&lt;/td&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;br /&gt;&lt;/td&gt;&lt;/tr&gt;
  1414. &lt;/tbody&gt;&lt;/table&gt;
  1415. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1416. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg52IZitaOXAtckp6hEu64TUUDTou0Srvlqzo9_jFbu-UkaY8nPEQT-Q-XJ1HShrA7fMSN8NJiBz27eY19JeResmo7ryH0vML6mQFcIk0vMAwhvDwp3tXmB7QI97cAGe4LzvulwI3OnddfY/s1600/IMG_20170613_100335.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1278&quot; data-original-width=&quot;959&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg52IZitaOXAtckp6hEu64TUUDTou0Srvlqzo9_jFbu-UkaY8nPEQT-Q-XJ1HShrA7fMSN8NJiBz27eY19JeResmo7ryH0vML6mQFcIk0vMAwhvDwp3tXmB7QI97cAGe4LzvulwI3OnddfY/s320/IMG_20170613_100335.jpg&quot; width=&quot;239&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1417. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Always something fun to see on the walk to NICT from the train station. &lt;/td&gt;&lt;/tr&gt;
  1418. &lt;/tbody&gt;&lt;/table&gt;
  1419. &lt;span style=&quot;font-size: large;&quot;&gt;&amp;nbsp;&lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1420. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwlUJka9WAwUuXXpwwzpHRjayniYgPckJs7pSnjpvsm3xVMi5-dClyxygNkmFYGtPRYNTCu25kNTn7ON6AulBPmMvDXZHFkACAxBCPav6gamTojxqq7vaxt9jbCM-7PswlDLUs-UgQQ1JW/s1600/IMG_20170613_171918.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwlUJka9WAwUuXXpwwzpHRjayniYgPckJs7pSnjpvsm3xVMi5-dClyxygNkmFYGtPRYNTCu25kNTn7ON6AulBPmMvDXZHFkACAxBCPav6gamTojxqq7vaxt9jbCM-7PswlDLUs-UgQQ1JW/s320/IMG_20170613_171918.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1421. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Star Wars Memorabilia takes over the tea room. &lt;/td&gt;&lt;/tr&gt;
  1422. &lt;/tbody&gt;&lt;/table&gt;
  1423. &lt;/span&gt;&lt;/div&gt;
  1424. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/597497189853659861/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-four.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/597497189853659861'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/597497189853659861'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-four.html' title='#WIDOMSUMVAC — Tokyo Day Four!'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVIY2py5MY3SUfGjV4BasJ7ffVYgRnJ1LX6vFqSVQmqNMNKy61K5ElXpYku66E-Lm-flFkax6ahNB3JsQlp6eHHB1_R1EE1UHJNdnRX9RHlPkOK07xHFBhWDeoSPf7Vbih2xjz-oElb07y/s72-c/IMG_2792.JPG" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-5107260918685090485</id><published>2017-06-12T07:38:00.001-07:00</published><updated>2017-06-12T07:38:32.224-07:00</updated><title type='text'>#WIDOMSUMVAC — TOKYO: DAY 1</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1425. &lt;span style=&quot;font-size: large;&quot;&gt;I have now been in the Tokyo airport three times in three weeks! Returned again last night to visit Drs. Masahide Sasaki and Masahiro Takeoka and their colleagues at the&lt;/span&gt;&lt;span style=&quot;font-size: large;&quot;&gt;&lt;strong&gt; &lt;/strong&gt;&lt;a href=&quot;http://www.nict.go.jp/en/quantum/&quot; target=&quot;_blank&quot;&gt;Quantum ICT Advanced Development Center&lt;/a&gt;, at the Japan &lt;a href=&quot;http://www.nict.go.jp/en/about/index.html&quot; target=&quot;_blank&quot;&gt;National Institute of Information and Communications Technology&lt;/a&gt; (NICT). My two LSU PhD students, &lt;a href=&quot;http://www.lsu.edu/physics/images/people/graduate-students/Qihaoyu.jpg&quot; target=&quot;_blank&quot;&gt;Haoyu Qi&lt;/a&gt; and &lt;a href=&quot;http://www.lsu.edu/physics/images/people/graduate-students/tnXiaoZ.jpg&quot; target=&quot;_blank&quot;&gt;Zhihao Xiao&lt;/a&gt;, are already here about mid-way through their eight-week summer research collaboration. It was good to catch up on old work and new work and today we began hammering out the research plan for the next two weeks I am here. QICT has a very close integration with theory and experiment and I&#39;m looking forward to learning a lot and expanding our current collaboration which is now formalized by a Memorandum of Understanding.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  1426. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
  1427. &lt;span style=&quot;font-size: large;&quot;&gt;Come to LSU to do your PhD in our Quantum Science and Technologies group and can get to spend your summer in Shanghai, Tokyo, or Los Angeles near the beach! &lt;br /&gt;&lt;br /&gt;Discussions today ranged over entanglement assisted channel capacities using two-mode squeezed vacuum, as well as tomography on superconducting qubits coupled to an LC circuit.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
  1428. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
  1429. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1430. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP10qooDPsSuER1sQ7V38Vu27_8PpREwF6ky7uE40tQ1vVsiXKWYX4E6nLQ5NDZXDE5FYXqyyMuIUaOiextnxG1Tq44xo1m3BwueYqPbSy0Uh4frsqsaD2L83pTDtOcmMqkK_D_iFTeWQx/s1600/IMG_20170611_212539.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP10qooDPsSuER1sQ7V38Vu27_8PpREwF6ky7uE40tQ1vVsiXKWYX4E6nLQ5NDZXDE5FYXqyyMuIUaOiextnxG1Tq44xo1m3BwueYqPbSy0Uh4frsqsaD2L83pTDtOcmMqkK_D_iFTeWQx/s320/IMG_20170611_212539.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1431. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;After a 12 hour flight I relax with sushi, wine, and Japanese soap operas. &lt;/td&gt;&lt;/tr&gt;
  1432. &lt;/tbody&gt;&lt;/table&gt;
  1433. &lt;br /&gt;
  1434. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1435. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieJFFUy62EwO3gVEf2WF1dAudoJiOx65MFajB5xFocGdw-lHjcGL4B72nT4C2vkkMQvvMEBal3nQ4eiNjJsFFX4eos5xN090I5TjC-_i7Lr7yHggE02vTd82Kz6XXO545eFPNFGnjlhCgt/s1600/IMG_20170612_095452.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1600&quot; data-original-width=&quot;1200&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieJFFUy62EwO3gVEf2WF1dAudoJiOx65MFajB5xFocGdw-lHjcGL4B72nT4C2vkkMQvvMEBal3nQ4eiNjJsFFX4eos5xN090I5TjC-_i7Lr7yHggE02vTd82Kz6XXO545eFPNFGnjlhCgt/s320/IMG_20170612_095452.jpg&quot; width=&quot;240&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1436. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Colonel Sanders always greets me on my trips here. &lt;/td&gt;&lt;/tr&gt;
  1437. &lt;/tbody&gt;&lt;/table&gt;
  1438. &lt;br /&gt;
  1439. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1440. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCHxmVDCnPJDIK2ZnIUXYzlCZaYiq9jLsVJAbdyOjW0yDcURj7E85Rp9wIy6A5PYY2y9HHICgVlrvMBUcKIN7PKUX8eYn0xdf2jkMK-WtG0IFmxYtsPq7DwH1RHGyIVQ6y-JcjMQ-sMXT0/s1600/IMG_20170612_135343.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCHxmVDCnPJDIK2ZnIUXYzlCZaYiq9jLsVJAbdyOjW0yDcURj7E85Rp9wIy6A5PYY2y9HHICgVlrvMBUcKIN7PKUX8eYn0xdf2jkMK-WtG0IFmxYtsPq7DwH1RHGyIVQ6y-JcjMQ-sMXT0/s320/IMG_20170612_135343.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1441. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Dr. Yoshiaki Tsujimoto explains the downconversion experiment. &lt;/td&gt;&lt;/tr&gt;
  1442. &lt;/tbody&gt;&lt;/table&gt;
  1443. &lt;br /&gt;
  1444. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1445. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0KQTf75g8l9_7O9as4c7ij7dA2SWLVWaM5HFm-1o49_eYtrdkh5bulAnn4wvJKHbe3eDBckZaT_c4bCXB8ndNNb_CZ1G0w0JiJP7dtdGGHYbcrZr5TrgDGfntHLJ7wTZIfkhyz3rjz7Em/s1600/IMG_20170612_160702.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0KQTf75g8l9_7O9as4c7ij7dA2SWLVWaM5HFm-1o49_eYtrdkh5bulAnn4wvJKHbe3eDBckZaT_c4bCXB8ndNNb_CZ1G0w0JiJP7dtdGGHYbcrZr5TrgDGfntHLJ7wTZIfkhyz3rjz7Em/s320/IMG_20170612_160702.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1446. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;Debate rages over the potential applications. &lt;/td&gt;&lt;/tr&gt;
  1447. &lt;/tbody&gt;&lt;/table&gt;
  1448. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
  1449. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/5107260918685090485/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-1.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5107260918685090485'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/5107260918685090485'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-tokyo-day-1.html' title='#WIDOMSUMVAC — TOKYO: DAY 1'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP10qooDPsSuER1sQ7V38Vu27_8PpREwF6ky7uE40tQ1vVsiXKWYX4E6nLQ5NDZXDE5FYXqyyMuIUaOiextnxG1Tq44xo1m3BwueYqPbSy0Uh4frsqsaD2L83pTDtOcmMqkK_D_iFTeWQx/s72-c/IMG_20170611_212539.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-2101270763528104318.post-4856119999194400797</id><published>2017-06-07T15:25:00.000-07:00</published><updated>2017-06-07T15:25:36.184-07:00</updated><title type='text'>#WIDOMSUMVAC — BATON ROUGE: DAY TWO!</title><content type='html'>&lt;div dir=&quot;ltr&quot; style=&quot;text-align: left;&quot; trbidi=&quot;on&quot;&gt;
  1450. &lt;span style=&quot;font-size: large;&quot;&gt;After the Dean&#39;s office requested I post my summer adventures in a blog, I&#39;d focused on not being at LSU for the past three weeks, but I&#39;m back this week to meet all of the summer students and make mid-course corrections on their projects.&lt;/span&gt;&lt;br /&gt;
  1451. &lt;table align=&quot;center&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; class=&quot;tr-caption-container&quot; style=&quot;margin-left: auto; margin-right: auto; text-align: center;&quot;&gt;&lt;tbody&gt;
  1452. &lt;tr&gt;&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXzUIO3-UDrSuYJNDIxHF691DmafmFrFSuvPXFAt7Rg_yRRTm4yXSXXvm0umMmAypZ0XODHkVOiEHxSDul2qPzFiOB2JuG2JfPN8xz4BHDXzl8DGlT-B6XNLlRO1-kF00K69Htyw_i9bje/s1600/IMG_20170607_155757.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: auto; margin-right: auto;&quot;&gt;&lt;img border=&quot;0&quot; data-original-height=&quot;1200&quot; data-original-width=&quot;1600&quot; height=&quot;240&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXzUIO3-UDrSuYJNDIxHF691DmafmFrFSuvPXFAt7Rg_yRRTm4yXSXXvm0umMmAypZ0XODHkVOiEHxSDul2qPzFiOB2JuG2JfPN8xz4BHDXzl8DGlT-B6XNLlRO1-kF00K69Htyw_i9bje/s320/IMG_20170607_155757.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;
  1453. &lt;tr&gt;&lt;td class=&quot;tr-caption&quot; style=&quot;text-align: center;&quot;&gt;&lt;i&gt;QST Meeting at LSU!&lt;/i&gt;&lt;/td&gt;&lt;/tr&gt;
  1454. &lt;/tbody&gt;&lt;/table&gt;
  1455. &lt;span style=&quot;font-size: large;&quot;&gt;The projects include:&lt;/span&gt;&lt;br /&gt;
  1456. &lt;br /&gt;
  1457. &lt;span style=&quot;font-size: large;&quot;&gt;The Return of Quantum Atomic Clock Synchronization!&lt;br /&gt;&lt;br /&gt;Catching the Wave of the Quantum Internet!&lt;/span&gt;&lt;br /&gt;
  1458. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;This Ain&#39;t Your Grandma&#39;s Squeezed Vacuum!&lt;/span&gt;&lt;br /&gt;
  1459. &lt;span style=&quot;font-size: large;&quot;&gt;&lt;br /&gt;Room-Temperature Photon-Number-Resolving Detection Without Room-Temperature Photon-Number-Resolving Detectors!&lt;/span&gt;&lt;br /&gt;
  1460. &lt;br /&gt;&lt;span style=&quot;font-size: large;&quot;&gt;Super-Duper Resolution!&lt;br /&gt;&lt;br /&gt;What the Heck is Written on the Board!?&lt;/span&gt;&lt;br /&gt;
  1461. &lt;br /&gt;
  1462. &lt;span style=&quot;font-size: large;&quot;&gt;In addition to the left-behind PhD students who are not away this summer we have summer undergrads; Osa Adun, David Lawrence, Kenji Arai, Corey Matyas, Samara Levy, Tony Mirasola, and High School Students; Mary Catherine Lorio, &lt;/span&gt;&lt;span style=&quot;font-size: large;&quot;&gt;Deepti Vaidyanathan, and Jefferson Koonce, funded under the NSF REU program and the US Army AEOP programs.&amp;nbsp; &lt;/span&gt;&lt;/div&gt;
  1463. </content><link rel='replies' type='application/atom+xml' href='http://quantumpundit.blogspot.com/feeds/4856119999194400797/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-baton-rouge-day-two.html#comment-form' title='0 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/4856119999194400797'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2101270763528104318/posts/default/4856119999194400797'/><link rel='alternate' type='text/html' href='http://quantumpundit.blogspot.com/2017/06/widomsumvac-baton-rouge-day-two.html' title='#WIDOMSUMVAC — BATON ROUGE: DAY TWO!'/><author><name>Jonathan P. Dowling</name><uri>http://www.blogger.com/profile/04995729880029125425</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRC4nHuATSAHqNSEfUbxeutRMiWe7zhNyghsO8zn3dv5Ysm2joJtDN-VVUt1K43FFQiTnVUpfibS4Ntwhi3_rUQ-syNe5EHPtdhi6XEqV5MFIa296GRg7CnWph51ZUmQ/s220/51268285_10218013479789993_3247521624018124800_n.jpg'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXzUIO3-UDrSuYJNDIxHF691DmafmFrFSuvPXFAt7Rg_yRRTm4yXSXXvm0umMmAypZ0XODHkVOiEHxSDul2qPzFiOB2JuG2JfPN8xz4BHDXzl8DGlT-B6XNLlRO1-kF00K69Htyw_i9bje/s72-c/IMG_20170607_155757.jpg" height="72" width="72"/><thr:total>0</thr:total></entry></feed>

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