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- Title
Covariant anomaly and Hawking radiation from the modified black hole in the rainbow gravity theory.
- Authors
Jun-Jin Peng; Shuang-Qing Wu
- Abstract
Abstract  Recently, Banerjee and Kulkarni (R. Banerjee, S. Kulkarni, arXiv: 0707. 2449 [hep-th]) suggested that it is conceptually clean and economical to use only the covariant anomaly to derive Hawking radiation from a black hole. Based upon this simplified formalism, we apply the covariant anomaly cancellation method to investigate Hawking radiation from a modified Schwarzschild black hole in the theory of rainbow gravity. Hawking temperature of the gravityâs rainbow black hole is derived from the energy-momentum flux by requiring it to cancel the covariant gravitational anomaly at the horizon. We stress that this temperature is exactly the same as that calculated by the method of cancelling the consistent anomaly.
- Subjects
BLACKBODY radiation; GRAVITY anomalies; SUPERMASSIVE black holes; KULKARNI, S.; GRAVITATIONAL waves
- Publication
General Relativity & Gravitation, 2008, Vol 40, Issue 12, p2619
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-008-0642-4