paper

Abelian Higgs Hair for Electrically Charged Dilaton Black Holes

arXiv:hep-th/9808110 · doi:10.1103/PhysRevD.58.124016

Abstract

It is argued that an electronically charged dilaton black hole can support a long range field of a Nielsen-Olesen string. Combining both numerical and perturbative techniques we examine the properties of an Abelian-Higgs vortex in the presence of the black hole under consideration. Allowing the black hole to approach extremality we found that all fields of the vortex are expelled from the extreme black hole. In the thin string limit we obtained the metric of a conical electrically charged dilaton black hole. The effect of the vortex can be measured from infinity justifying its characterization as black hole hair.

13 pages, 14 figures, Revtex, to appear in Phys.Rev.D15

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