Do supersymmetric anti-de Sitter black rings exist?

Details Do supersymmetric anti-de Sitter black rings exist? Do supersymmetric anti-de Sitter black rings exist?

2006-11-30

arxiv.org/abs/hep-th/0611351v2

JHEP 0702:026,2007

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 18 pages, 1 figure. v2: minor changes

Scientific paper

10.1088/1126-6708/2007/02/026

We determine the most general near-horizon geometry of a supersymmetric, asymptotically anti-de Sitter, black hole solution of five-dimensional minimal gauged supergravity that admits two rotational symmetries. The near-horizon geometry is that of the supersymmetric, topologically spherical, black hole solution of Chong et al. This proves that regular supersymmetric anti-de Sitter black rings with two rotational symmetries do not exist in minimal supergravity. However, we do find a solution corresponding to the near-horizon geometry of a supersymmetric black ring held in equilibrium by a conical singularity, which suggests that nonsupersymmetric anti-de Sitter black rings may exist but cannot be "balanced" in the supersymmetric limit.

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