Phantom Black Holes in Einstein-Maxwell-Dilaton Theory

Details Phantom Black Holes in Einstein-Maxwell-Dilaton Theory Phantom Black Holes in Einstein-Maxwell-Dilaton Theory

2009-01-28

arxiv.org/abs/0901.4543v2

Phys.Rev.D79:064021,2009

Physics

High Energy Physics

High Energy Physics - Theory

Latex file, 32 pages, 15 figures in eps format. Typo corrected in Eq. (3.18)

Scientific paper

10.1103/PhysRevD.79.064021

We obtain the general static, spherically symmetric solution for the Einstein-Maxwell-dilaton system in four dimensions with a phantom coupling for the dilaton and/or the Maxwell field. This leads to new classes of black hole solutions, with single or multiple horizons. Using the geodesic equations, we analyse the corresponding Penrose diagrams revealing, in some cases, new causal structures.

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