Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-11-14
JHEP 0904:054,2009
Physics
High Energy Physics
High Energy Physics - Theory
Latex, 19 pages, typos corrected and references added
Scientific paper
10.1088/1126-6708/2009/04/054
It was proposed recently that the near-horizon states of an extremal four-dimensional Kerr black hole could be identified with a certain chiral conformal field theory whose Virasoro algebra arises as an asymptotic symmetry algebra of the near-horizon Kerr geometry. Supportive evidence for the proposed duality came from the equality of the microscopic entropy of the CFT, calculated by means of the Cardy formula, and the Bekenstein-Hawking entropy of the extremal Kerr black hole. In this paper we examine the proposed Kerr/CFT correspondence in a broader context. In particular, we show that the microscopic entropy and the Bekenstein-Hawking entropy agree also for the extremal Kerr-AdS metric in four dimensions, and also for the extremal Kerr-AdS metrics in dimensions 5, 6 and 7. General formulae for all higher dimensions are also presented.
Lu Hai
Mei Jian-wei
Pope Christopher N.
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