Hidden conformal symmetry of rotating charged black holes

Details Hidden conformal symmetry of rotating charged black holes Hidden conformal symmetry of rotating charged black holes

2010-05-09

arxiv.org/abs/1005.1404v4

Gen.Rel.Grav.43:181-190,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

minor changes, accepted version

Scientific paper

10.1007/s10714-010-1080-7

Motivated by the recent work of the hidden conformal symmetry of the Kerr black hole, we investigate the hidden conformal symmetry of a Kerr-Sen black hole and a Kerr-Newman-Kasuya black hole. Our result shows the conformal symmetry is spontaneously broken due to the periodicity of the azimuthal angle. The absorption across section is in consistence with the finite temperature absorption cross section for a 2D CFT. The entropies of the black holes are reproduced by the Cardy formula.

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