Hidden Conformal Symmetry of Kerr-Bolt Spacetimes

Abstract

We extend the recent proposal of hidden conformal symmetry to the four-dimensional spacetimes with rotational parameter and NUT twist. We consider the wave equation of a massless scalar field in background of Kerr-Bolt spacetimes and show in the "near region", the wave equation can be reproduced by the $SL(2,R{)}_L\times SL(2,R{)}_R$ Casimir quadratic operators. Moreover, we compute the microscopic entropy of the dual CFT by Cardy formula and find a perfect match to Bekenstein-Hawking entropy of Kerr-Bolt spacetimes. The absorption cross section of a near region scalar field also matches to microscopic absorption cross section of the dual CFT.

arXiv comment9 pages, re-organized and re-writtend, typos corrected, main results and conclusion unchanged

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Cited by in corpus (21)

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• CFT Duals on Rotating Charged Black Holes Surrounded by Quintessence
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