Cosmological solutions from fake N=2 EYM supergravity

Details Cosmological solutions from fake N=2 EYM supergravity Cosmological solutions from fake N=2 EYM supergravity

2009-02-27

arxiv.org/abs/0902.4814v3

JHEP 0905:042,2009

Physics

High Energy Physics

High Energy Physics - Theory

30 pages. Comments and references added, typos corrected

Scientific paper

10.1088/1126-6708/2009/05/042

We characterise the (fake) supersymmetric solutions of Wick-rotated N=2 d=4 gauged supergravity coupled to non-Abelian vector multiplets. In the time-like case we obtain generalisations of Kastor & Traschen's cosmological black holes: they have a specific time-dependence and the base-space must be 3-dimensional hyperCR/Gauduchon-Tod space. In the null-case, we find that the metric has a holonomy contained in Sim(2), give a general characterisation of the solutions, and give some examples. Finally, we point out that in some cases the solutions we found are non-BPS solutions to N=2 d=4 supergravity coupled to vector multiplets.

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