Flow Equations for Non-BPS Extremal Black Holes

Anna Ceresole; Gianguido Dall'Agata

Flow Equations for Non-BPS Extremal Black Holes

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arxiv hep-th/0702088 v2 pith:H66I2ICS submitted 2007-02-12 hep-th

Anna Ceresole , Gianguido Dall'Agata This is my paper

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keywords blackclassequationsextremalholeholesnon-bpssome

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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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