The Entropy for General Extremal Black Holes
arXiv:1002.1349 · doi:10.1007/JHEP04(2010)005
Abstract
We use the Kerr/CFT correspondence to calculate the entropy for all known extremal stationary and axisymmetric black holes. This is done with the help of two ansatzs that are general enough to cover all such known solutions. Considering only the contribution from the Einstein-Hilbert action to the central charge(s), we find that the entropy obtained by using Cardy's formula exactly matches with the Bekenstein-Hawking entropy.
Minor corrections, section 5 refined, references added.
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- Hidden conformal symmetry of extreme and non-extreme Einstein-Maxwell-Dilaton-Axion black holes
- Holographic Dual of Linear Dilaton Black Hole in Einstein-Maxwell-Dilaton-Axion Gravity
- Hidden Conformal Symmetry of Rotating Black Hole with four Charges
- Hidden Conformal Symmetry of Extremal Kerr-Bolt Spacetimes
- Black Hole Vacua and Rotation