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Friday, November 4th 2016

12:30 pm:

A compelling idea in quantum gravity is that gravity is not in fact a fundamental force. Rather, in this view, gravity (and perhaps spacetime itself) is regarded as emerging from the coarse-graining of some as-yet-unidentified microscopic degrees of freedom. I will show that the first and second laws of thermodynamics, applied to the underlying degrees of freedom, give rise precisely to Einstein's equations and the null energy condition, respectively.

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