Ten Theses on Black Hole Entropy
classification
✦ hep-th
gr-qc
keywords
becauseblackentropyholehorizonthermodynamicsaccordingcoarse
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I present a viewpoint on black hole thermodynamics according to which the entropy: derives from horizon "degrees of freedom"; is finite because the deep structure of spacetime is discrete; is "objective" thanks to the distinguished coarse graining provided by the horizon; and obeys the second law of thermodynamics precisely because the effective dynamics of the exterior region is not unitary.
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