f(R) gravity equation of state

Emilio Elizalde; Pedro J. Silva

doi:10.1103/PhysRevD.78.061501

f(R) gravity equation of state

Emilio Elizalde, Pedro J. Silva

Research output: Contribution to journal › Article › Research › peer-review

77 Citations (Scopus)

Abstract

The f(R) gravity field equations are derived as an equation of state of local space-time thermodynamics. Jacobson's arguments are nontrivially extended, by means of a more general definition of local entropy, for which Wald's definition of dynamic black hole entropy is used, as well as the concept of an effective Newton constant for graviton exchange, which recently appeared in the literature. © 2008 The American Physical Society.

Original language	English
Article number	061501
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	78
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevD.78.061501
Publication status	Published - 25 Sep 2008

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