Generalized Einstein's equations fromwald entropy

Maulik Parikh, Sudipta Sarkar

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We derive the gravitational equations of motion of general theories of gravity from thermodynamics applied to a local Rindler horizon through any point in spacetime. Specifically, for a given theory of gravity, we substitute the corresponding Wald entropy into the Clausius relation. Our approach works for all diffeomorphism-invariant theories of gravity in which the Lagrangian is a polynomial in the Riemann tensor.

Original languageEnglish (US)
Article number119
JournalEntropy
Volume18
Issue number4
DOIs
StatePublished - Apr 1 2016

Keywords

  • Black hole thermodynamics
  • Emergent gravity
  • General theories of gravity

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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