On the CFT duals for near-extremal black holes
arXiv:1005.2255 · doi:10.1142/S0217732311035973
Abstract
We consider Kerr-Newman-AdS-dS black holes near extremality and work out the near-horizon geometry of these near-extremal black holes. We identify the exact U(1)_L x U(1)_R isometries of the near-horizon geometry and provide boundary conditions enhancing them to a pair of commuting Virasoro algebras. The conserved charges of the corresponding asymptotic symmetries are found to be well defined and non-vanishing and to yield central charges c_L\neq0 and c_R=0. The Cardy formula subsequently reproduces the Bekenstein-Hawking entropy of the black hole. This suggests that the near-extremal Kerr-Newman-AdS-dS black hole is holographically dual to a non-chiral two-dimensional conformal field theory.
arXiv comment11 pages
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- Hidden conformal symmetry for Kerr-Newman-NUT-AdS black holes
- Pair Production in Near Extremal Kerr-Newman Black Holes
- Deformed conformal symmetry of Kerr-Newman-NUT-AdS black holes
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- Near-Extremal Black Hole Thermodynamics from AdS2/CFT1 Correspondence in The Low Energy Limit of 4D Heterotic String Theory
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- Extremal RN/CFT in Both Hands Revisited