I recently submitted the following question to Dr. Michio Kaku on his Facebook page regarding an unfamiliar concept in his book "Parallel Universes":(adsbygoogle = window.adsbygoogle || []).push({});

Dr. Kaku,

In your book "Parallel Universes", pg. 301, you mention something called the Gibbons-Hawking temperature, a theoretical low temperature limit of 10 negative log 29 degrees (is that Celsius of Kelvin?). You cited a work by Lawrence Krauss & Glenn Starkman. Can you give me the full citation for this work? Is this it: http://iopscience.iop.org/articl...? How does this relate to the absolute zero of classical physics (−273.15 °C; −459.67 °F), a theoretical point at which nearly all atomic/molecular motion ceases?

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# B What is the origin of the Gibbons-Hawking temperature?

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