Flow Equations for Non-BPS Extremal Black Holes

Details Flow Equations for Non-BPS Extremal Black Holes Flow Equations for Non-BPS Extremal Black Holes

2007-02-12

arxiv.org/abs/hep-th/0702088v2

JHEP 0703:110,2007

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 21 pages, 2 figures. v2: reference added, JHEP version

Scientific paper

10.1088/1126-6708/2007/03/110

We exploit some common features of black hole and domain wall solutions of (super)gravity theories coupled to scalar fields and construct a class of stable extremal black holes that are non-BPS, but still can be described by first-order differential equations. These are driven by a "superpotential'', which replaces the central charge Z in the usual black hole potential. We provide a general procedure for finding this class and deriving the associated "superpotential''. We also identify some other cases which do not belong to this class, but show a similar behaviour.

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