Understanding the area proposal for extremal black hole entropy

Preprint

4 September 1996

preprint
Published by arXiv in arXiv

Abstract

Whereas the usual understanding is that the entropy of only a non-extremal black hole is given by the area of the horizon, there are derivations of an area law for extremal black holes in some model calculations. It is explained here how such results can arise in an approach where one sums over topologies and imposes the extremality condition after quantization.

Keywords

EXTREMALITY CONDITION
EXTREMAL BLACK HOLE
AREA PROPOSAL
QUANTIZATION
HOLE ENTROPY
TOPOLOGIES

All Related Versions

Version 1, 1996-08-30, ArXiv
Version 2, 1996-09-04, ArXiv
Version 3, 1997-01-15, ArXiv
Published version: Physical Review Letters, 78 (10), 1858.

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