PIRSA:06090001 Scientific Series Quantum Gravity

DOI10.48660/06090001

Conference/School: Natural Ultraviolet Cutoffs In Expanding Space-Times - 2006

Jacobson, T. (2006). Thermodynamics of spacetime . Perimeter Institute. https://pirsa.org/06090001

Jacobson, Ted. Thermodynamics of spacetime . Perimeter Institute, Sep. 06, 2006, https://pirsa.org/06090001 

@misc{ pirsa_PIRSA:06090001,
  doi = {10.48660/06090001},
  url = {https://pirsa.org/06090001},
  author = {Jacobson, Ted},
  keywords = {Quantum Gravity},
  language = {en},
  title = {Thermodynamics of spacetime },
  publisher = {Perimeter Institute},
  year = {2006},
  month = {sep},
  note = {PIRSA:06090001 see, \url{https://pirsa.org}}
}

Abstract

I will first argue that the notion of black hole entropy extends universally to causal horizons. Then I will deduce the causal dynamics of spacetime from the equilibrium thermodynamics of causal horizons. Specifically, it will be shown how the Clausius relation dS = dQ/T between entropy change, energy flux, and acceleration temperature for all local causal horizons implies the Einstein equation, with Newton's constant determined by the universal horizon entropy density. Implications, non-equilibrium processes, and relations to AdS/CFT duality will also be discussed.

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