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

Bossard, Guillaume

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

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Bossard, Guillaume
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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0906.1988v1.pdf
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GRG42_539.pdf
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Bossard, G. (2010). The extremal black holes of N=4 supergravity from so(8,2+n) nilpotent orbits. General Relativity and Gravitation, 42(3), 539-565.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-608F-F

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.