The Unruh Effect

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Recorded: 2019/10/31 Released: 2019/04/04

Randy and Jim about the perspectival nature of quanta, the Unruh effect, which says that for highly accelerated systems, additional particles and temperature will be seen.
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Notes:

1. The papers we read for this program:

• Crispino, L.C.B, A. Higuchi, and G.E.A. Matsas, "The Unruh Effect and It's Applications." Rev. Mod. Phys. 80, 787 (2008). [arXiv]
• Akhmedov, E.T. and D. Singleton, "On the physical meaning of the Unruh effect." JETP Letters 86, 615 (2008). [arXiv]

2. Popular articles discussed on the program:

• Ingrid Fadelli, "Testing Hawking radiation in laboratory black hole analogues." Phys.org (20019).

3. Related Episodes of Physics Frontiers:

• Physics Frontiers 31: The Parameterized Post-Newtonian Framework.
• Physics Frontiers 9: f(R) Theories of Gravity.

4. Books discussed on this podcast:

• Leonhardt, U. and Philbin, T., Geometry and Light: The Science of Invisibility (2010). This is a textbook on using the methods of general relativity in the behavior of light in nonlinear materials that I quite enjoyed when I read it. It starts off with an old favorite, variational principles, like Fermat's principle of least time, and passes through a short course on differential geometry, before mixing light and geometry with Maxwell's equations. After that, he discusses optical analogs of black holes, the optical Aharonov-Bohm effect, and other topics -- like "cloaking at a distance:" invisibility! It has full color illustrations, which helps with differential geometry, and better, it's a Dover book so its cheap! [Amazon].

5. Please visit and comment on our subreddit, and if you can help us keep this going by contributing to our Patreon, we'd be grateful.

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