Extremal Black Holes in Supergravity and the Bekenstein-Hawking Entropy

Details Extremal Black Holes in Supergravity and the Bekenstein-Hawking Entropy Extremal Black Holes in Supergravity and the Bekenstein-Hawking Entropy

2002-03-08

arxiv.org/abs/hep-th/0203076v1

Entropy 4:65-127,2002

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 65 pages. Contribution to the journal ``Entropy'', ISSN 1099-4300

Scientific paper

10.3390/e4030065

We review some results on the connection among supergravity central charges, BPS states and Bekenstein-Hawking entropy. In particular, N=2 supergravity in four dimensions is studied in detail. For higher N supergravities we just give an account of the general theory specializing the discussion to the N=8 case when one half of supersymmetry is preserved. We stress the fact that for extremal supergravity black holes the entropy formula is topological, that is the entropy turns out to be a moduli independent quantity and can be written in terms of invariants of the duality group of the supergravity theory.

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