Hidden Conformal Symmetry of Kerr-Bolt Spacetimes
High Energy Physics - Theory
2011-01-17 v2 General Relativity and Quantum Cosmology
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 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.
Keywords
Cite
@article{arxiv.1008.2189,
title = {Hidden Conformal Symmetry of Kerr-Bolt Spacetimes},
author = {A. M. Ghezelbash and V. Kamali and M. R. Setare},
journal= {arXiv preprint arXiv:1008.2189},
year = {2011}
}
Comments
9 pages, re-organized and re-writtend, typos corrected, main results and conclusion unchanged