Black hole entropy and isolated horizons thermodynamics

Black hole entropy and isolated horizons thermodynamics

We present a statistical mechanical calculation of the thermodynamical properties of (nonrotating) isolated horizons. The introduction of the Planck scale allows for the definition of a universal horizon temperature (independent of the mass of the black hole) and a well-defined notion of energy (as...

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Veröffentlicht in:Physical review letters 2011-12, Vol.107 (24), p.241301-241301, Article 241301
Hauptverfasser: Ghosh, Amit, Perez, Alejandro
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Sprache:eng
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General Relativity and Quantum Cosmology
High Energy Physics - Theory
Physics
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Perez, Alejandro
description We present a statistical mechanical calculation of the thermodynamical properties of (nonrotating) isolated horizons. The introduction of the Planck scale allows for the definition of a universal horizon temperature (independent of the mass of the black hole) and a well-defined notion of energy (as measured by suitable local observers) proportional to the horizon area in Planck units. The microcanonical and canonical ensembles associated with the system are introduced. Black hole entropy and other thermodynamical quantities can be consistently computed in both ensembles and results are in agreement with Hawking's semiclassical analysis for all values of the Immirzi parameter.
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1079-7114
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subjects General Relativity and Quantum Cosmology
High Energy Physics - Theory
Physics
title Black hole entropy and isolated horizons thermodynamics
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