Hawking Radiation from Rotating Black Holes and Gravitational Anomalies

Details Hawking Radiation from Rotating Black Holes and Gravitational Anomalies Hawking Radiation from Rotating Black Holes and Gravitational Anomalies

2006-06-08

arxiv.org/abs/hep-th/0606069v2

Phys.Rev. D74 (2006) 044018

Physics

High Energy Physics

High Energy Physics - Theory

7pages

Scientific paper

10.1103/PhysRevD.74.044018

We study the Hawking radiation from Rotating black holes from gravitational anomalies point of view. First, we show that the scalar field theory near the Kerr black hole horizon can be reduced to the 2-dimensional effective theory. Then, following Robinson and Wilczek, we derive the Hawking flux by requiring the cancellation of gravitational anomalies. We also apply this method to Hawking radiation from higher dimensional Myers-Perry black holes. In the Appendix, we present the trace anomaly derivation of Hawking radiation to argue the validity of the boundary condition at the horizon.

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