One entropy function to rule them all

Details One entropy function to rule them all One entropy function to rule them all

2007-01-23

arxiv.org/abs/hep-th/0701221v3

JHEP0711:049,2007

Physics

High Energy Physics

High Energy Physics - Theory

29 pages, 2 figures, revised version for publication, details added

Scientific paper

10.1088/1126-6708/2007/11/049

We study the entropy of extremal four dimensional black holes and five dimensional black holes and black rings is a unified framework using Sen's entropy function and dimensional reduction. The five dimensional black holes and black rings we consider project down to either static or stationary black holes in four dimensions. The analysis is done in the context of two derivative gravity coupled to abelian gauge fields and neutral scalar fields. We apply this formalism to various examples including $U(1)^3$ minimal supergravity.

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