The extremal black holes of N=4 supergravity from so(8,2+n) nilpotent orbits

Abstract

We consider the stationary solutions of N=4 supergravity coupled to n vector multiplets that define linear superpositions of non-interacting extremal black holes. The most general solutions of this type are derived from the graded decompositions of so(8,2+n) associated to its nilpotent orbits. We illustrate the formalism by giving explicitly asymptotically Minkowski non-BPS solutions of the most exotic class depending on 6+n harmonic functions.

Corrected version for publication, references added

References in corpus (3)

• Black Hole Microstates and Attractor Without Supersymmetry
• Gravitational multi-NUT solitons, Komar masses and charges
• Exact Solutions and the Attractor Mechanism in Non-BPS Black Holes

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