Almost BPS black holes

Details Almost BPS black holes Almost BPS black holes

2008-12-22

arxiv.org/abs/0812.4183v2

JHEP05(2009)058

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, v2: appendix and references added

Scientific paper

10.1088/1126-6708/2009/05/058

We study non-BPS black hole solutions to ungauged supergravity with 8 supercharges coupled to vector multiplets in four and five dimensions. We identify a large class of five dimensional non-BPS solutions, which we call "almost BPS", that are supersymmetric on local patches and satisfy a first order flow governed by harmonic functions. By dimensional reduction, they give rise to new non-BPS solutions in four dimensions. These solutions allow for some nontrivial asymptotic moduli and multiple centres, similar to their globally supersymmetric cousins. We explicitly discuss a single centre and a two centre example.

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