N=2 Einstein-Yang-Mills's BPS solutions

Details N=2 Einstein-Yang-Mills's BPS solutions N=2 Einstein-Yang-Mills's BPS solutions

2008-06-09

arxiv.org/abs/0806.1477v2

JHEP 0809:099,2008

Physics

High Energy Physics

High Energy Physics - Theory

latex2e, 53 pages, 2 figures

Scientific paper

10.1088/1126-6708/2008/09/099

We find the general form of all the supersymmetric configurations and solutions of N=2,d=4 Einstein-Yang-Mills theories. In the timelike case, which we study in great detail, giving many examples, the solutions to the full supergravity equations can be constructed from known flat spacetime solutions of the Bogomol'nyi equations. This allows the regular supersymmetric embedding in supergravity of regular monopole solutions ('t Hooft-Poyakov's, Weinberg's, Wilkinson and Bais's) but also embeddings of irregular solutions to the Bogomol'nyi equations which turn out to be regular black holes with different forms of non-Abelian hair once the non-triviality of the spacetime metric is taken into account. The attractor mechanism is realized in a gauge-covariant way. In the null case we determine the general equations that supersymmetric configurations and solutions must satisfy but we do not find relevant new supersymmetric solutions.

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