Non-Supersymmetric Attractors and Entropy Function

Details Non-Supersymmetric Attractors and Entropy Function Non-Supersymmetric Attractors and Entropy Function

2006-01-03

arxiv.org/abs/hep-th/0601016v3

JHEP0603:003,2006

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, Latex file, v2: references and some additional comments added, minor corrections, some comments about 5D supersymmet

Scientific paper

10.1088/1126-6708/2006/03/003

We study the entropy of non-supersymmetric extremal black holes which exhibit attractor mechanism by making use of the entropy function. This method, being simple, can be used to calculate corrections to the entropy due to higher order corrections to the action. In particular we apply this method for five dimensional non-supersymmetric extremal black hole which carries two magnetic charges and find the R^2 corrections to the entropy. Using the behavior of the action evaluated for the extremal black hole near the horizon, we also present a simple expression for C-function corrected by higher order corrections.

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