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Extremal black hole flows and duality

✍ Scribed by A. Ceresole

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
261 KB
Volume
59
Category
Article
ISSN
0015-8208

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✦ Synopsis

Abstract

Extremal black holes in extended supergravity theories can be obtained as solutions of first order flow equations even when they are not supersymmetric, provided one identifies a suitable superpotential W appearing in the effective potential, and driving the evolution of the scalar fields. W also gives the black hole horizon entropy and the ADM mass. We describe how classical U‐duality allows to determine W in many models and to classify both regular and singular solutions.

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