0000000000117922

AUTHOR

A. Peltola

showing 2 related works from this author

Thermodynamical Properties of Horizons

2002

We show, by using Regge calculus, that the entropy of any finite part of a Rindler horizon is, in the semi-classical limit, one quarter of the area of that part. We argue that this result implies that the entropy associated with any horizon of spacetime is, in semi-classical limit, one quarter of its area. As an example, we derive the Bekenstein-Hawking entropy law for the Schwarzschild black hole.

High Energy Physics::TheoryGeneral Relativity and Quantum CosmologyFOS: Physical sciencesGeneral Relativity and Quantum Cosmology (gr-qc)General Relativity and Quantum Cosmology
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RADIATION OF THE INNER HORIZON OF THE REISSNER–NORDSTRÖM BLACK HOLE

2005

Despite of over thirty years of research of the black hole thermodynamics our understanding of the possible role played by the inner horizons of Reissner-Nordstr\"om and Kerr-Newman black holes in black hole thermodynamics is still somewhat incomplete: There are derivations which imply that the temperature of the inner horizon is negative and it is not quite clear what this means. Motivated by this problem we perform a detailed analysis of the radiation emitted by the inner horizon of the Reissner-Nordstr\"om black hole. As a result we find that in a maximally extended Reissner-Nordstr\"om spacetime virtual particle-antiparticle pairs are created at the inner horizon of the Reissner-Nordstr…

PhysicsAntiparticleSpacetimeAstrophysics::High Energy Astrophysical PhenomenaWhite holeHorizonAstronomy and AstrophysicsAstrophysicsGeneral Relativity and Quantum CosmologyBlack holeGeneral Relativity and Quantum CosmologySingularitySpace and Planetary ScienceNegative energyBlack hole thermodynamicsMathematical PhysicsInternational Journal of Modern Physics D
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