Hidden Conformal Symmetry of Kerr-Bolt Spacetimes

Details Hidden Conformal Symmetry of Kerr-Bolt Spacetimes Hidden Conformal Symmetry of Kerr-Bolt Spacetimes

2010-08-12

arxiv.org/abs/1008.2189v2

Phys.Rev.D82:124051,2010

Physics

High Energy Physics

High Energy Physics - Theory

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

Scientific paper

10.1103/PhysRevD.82.124051

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.

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