Smeared Hairs and Black Holes in Three-Dimensional de Sitter Spacetime

Details Smeared Hairs and Black Holes in Three-Dimensional de Sitter Spacetime Smeared Hairs and Black Holes in Three-Dimensional de Sitter Spacetime

2008-11-17

arxiv.org/abs/0811.2685v4

Phys.Rev.D80:084026,2009

Physics

High Energy Physics

High Energy Physics - Theory

Typos corrected, Accepted in PRD

Scientific paper

10.1103/PhysRevD.80.084026

It is known that there is no three-dimensional analog of de Sitter black holes. I show that the analog does exist when non-Gaussian (i.e., ring-type) smearings of point matter hairs are considered. This provides a new way of constructing black hole solutions from hairs. I find that the obtained black hole solutions are quite different from the usual large black holes in that there are i) large to small black hole transitions which may be considered as inverse Hawking-Page transitions and ii) soliton-like (i.e., non-perturbative) behaviors. For Gaussian smearing, there is no black hole but a gravastar solution exists.

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