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Gravitational anomalies: a recipe for Hawking radiation | | Saurya Das
; Sean P. Robinson
; Elias C. Vagenas
; | | Date: |
16 May 2007 | | Subject: | High Energy Physics - Theory (hep-th) | | Abstract: | We explore the method of Robinson and Wilczek for deriving the Hawking
temperature of a black hole. In this method, the Hawking radiation restores
general covariance in an effective theory of near-horizon physics which
otherwise exhibits a gravitational anomaly at the quantum level. The method has
been shown to work for broad classes of black holes in arbitrary spacetime
dimensions. These include static black holes, accreting or evaporating black
holes, charged black holes, and rotating black holes. In the charged and
rotating cases, the expected super-radiant current is also reproduced. | | Source: | arXiv, arxiv.0705.2233 | | Services: | Forum | Review | PDF | Favorites | |
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