Foundations of Physics

, Volume 33, Issue 2, pp 323–348

Horizon Entropy

  • Ted Jacobson
  • Renaud Parentani

DOI: 10.1023/A:1023785123428

Cite this article as:
Jacobson, T. & Parentani, R. Foundations of Physics (2003) 33: 323. doi:10.1023/A:1023785123428


Although the laws of thermodynamics are well established for black hole horizons, much less has been said in the literature to support the extension of these laws to more general settings such as an asymptotic de Sitter horizon or a Rindler horizon (the event horizon of an asymptotic uniformly accelerated observer). In the present paper we review the results that have been previously established and argue that the laws of black hole thermodynamics, as well as their underlying statistical mechanical content, extend quite generally to what we call here “causal horizons.” The root of this generalization is the local notion of horizon entropy density.

black hole thermodynamics entropy horizon 

Copyright information

© Plenum Publishing Corporation 2003

Authors and Affiliations

  • Ted Jacobson
    • 1
  • Renaud Parentani
    • 2
  1. 1.Department of PhysicsUniversity of MarylandCollege Park
  2. 2.Laboratoire de Mathématiques et Physique ThéoriqueUniversité de ToursToursFrance

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