Black Hole Hair Removal: Non-linear Analysis

Details Black Hole Hair Removal: Non-linear Analysis Black Hole Hair Removal: Non-linear Analysis

2009-07-03

arxiv.org/abs/0907.0593v1

JHEP 1002:038,2010

Physics

High Energy Physics

High Energy Physics - Theory

40 pages, LaTeX

Scientific paper

10.1007/JHEP02(2010)038

BMPV black holes in flat transverse space and in Taub-NUT space have identical near horizon geometries but different microscopic degeneracies. It has been proposed that this difference can be accounted for by different contribution to the degeneracies of these black holes from hair modes, -- degrees of freedom living outside the horizon. In this paper we explicitly construct the hair modes of these two black holes as finite bosonic and fermionic deformations of the black hole solution satisfying the full non-linear equations of motion of supergravity and preserving the supersymmetry of the original solutions. Special care is taken to ensure that these solutions do not have any curvature singularity at the future horizon when viewed as the full ten dimensional geometry. We show that after removing the contribution due to the hair degrees of freedom from the microscopic partition function, the partition functions of the two black holes agree.

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