Microscopic states of Kerr black holes from boundary-bulk correspondence

Abstract

It was claimed by the author that black holes can be considered as topological insulators. They both have boundary modes and those boundary modes can be described by an effective BF theory. In this paper, we analyze the boundary modes on the horizon of black holes with the methods developed for topological insulator. Firstly the BTZ black hole is analysed, and the results are compatible with the previous works. Then we generalize those results to Kerr black holes. Some new results are obtained: dimensionless right- and left-temperature can be defined and have well behaviors both in Schwarzschild limit $a\to 0$ and extremal limit $a\to M$. Upon the Kerr/CFT correspondence, we can associate a central charge $c=12M{r}_{+}$ with an arbitrary Kerr black hole if a dual CFT exists. We can identify the microstates of the Kerr black hole with the quantum states of this scalar field. From this identification we can count the number of microstates of the Kerr black hole and give the Bekenstein-Hawking area law for the entropy.

13 pages, comments are welcome;v2, major changes, the results unchanged;v3, bring in the interacting scalar field which has a special form of hamiltonian for Kerr black holle

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Cited by in corpus (6)

• Central charges for Kerr and Kerr-AdS black holes in diverse dimensions
• The topological order of the space
• Topological entanglement entropy of the BTZ black hole
• Topological Order of Quantum Gravity in $Ad{S}_3$ Spacetime
• Hawking Radiation Is Pure
• Hawking Radiation from Boundary Scalar Field