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

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

2009-06-10

arxiv.org/abs/0906.1988v2

Gen.Rel.Grav.42:539-565,2010

Physics

High Energy Physics

High Energy Physics - Theory

Corrected version for publication, references added

Scientific paper

10.1007/s10714-009-0871-1

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.

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