Exactly Soluble BPS Black Holes in Higher Curvature N=2 Supergravity

Details Exactly Soluble BPS Black Holes in Higher Curvature N=2 Supergravity Exactly Soluble BPS Black Holes in Higher Curvature N=2 Supergravity

2005-01-03

arxiv.org/abs/hep-th/0501014v3

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, revtex4, 2 figures; v2. minor corrections

Scientific paper

We find a class of d=4, N=2 supergravity with $R^2$-interactions that admits exact BPS black holes. The prepotential contains quadratic, cubic and chiral curvature-squared terms. Black hole geometry realizes stretched horizon, and consists of anti-de Sitter, intermediate and outermost flat regions. Mass and entropy depends on charges and are modified not only by higher curvature terms but also by quadratic term in the prepotential. Consequently, even for large charges, entropy is no longer proportional to mass-squared.

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