Phantom Black Holes and Sigma Models

Details Phantom Black Holes and Sigma Models Phantom Black Holes and Sigma Models

2011-02-20

arxiv.org/abs/1102.4093v1

Phys.Rev.D83:124001,2011

Physics

High Energy Physics

High Energy Physics - Theory

19 pages

Scientific paper

10.1103/PhysRevD.83.124001

We construct static multicenter solutions of phantom Einstein-Maxwell-dilaton theory from null geodesics of the target space, leading to regular black holes without spatial symmetry for certain discrete values of the dilaton coupling constant. We also discuss the three-dimensional gravitating sigma models obtained by reduction of phantom Einstein-Maxwell, phantom Kaluza-Klein and phantom Einstein-Maxwell-dilaton-axion theories. In each case, we generate by group transformations phantom charged black hole solutions from a neutral seed.

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