Horizon thermodynamics from Einstein's equation of state
By regarding the Einstein equations as equation(s) of state, we demonstrate that a full cohomogeneity horizon first law can be derived in horizon thermodynamics. In this approach both the entropy and the free energy are derived concepts, while the standard (degenerate) horizon first law is recovered...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2017-08-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269317303507 |