Journal
GENERAL RELATIVITY AND GRAVITATION
Volume 42, Issue 3, Pages 539-565Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-009-0871-1
Keywords
Supergravity; Black holes; Lie algebra
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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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