Hawking radiation from covariant anomalies in 2+1 dimensional black holes

Details Hawking radiation from covariant anomalies in 2+1 dimensional black holes Hawking radiation from covariant anomalies in 2+1 dimensional black holes

2009-02-05

arxiv.org/abs/0902.0982v1

Class.Quant.Grav.26:145015,2009

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 2 figures

Scientific paper

10.1088/0264-9381/26/14/145015

In an insightful approach, Robinson and Wilczek proposed that Hawking radiation can be obtained as the compensation of a breakdown of general covariance and gauge invariance and the radiation is a black body radiation at Hawking temperature. We apply this method to two types of black holes in three dimensional spacetime, which share the general form of the metric in that the $tt$ component of the metric is not inverse of the $rr$ component of the metric. First one is the warped $AdS_3$ black hole in three dimensional topologically massive gravity with negative cosmological constant, and second one is the charged rotating black hole in three dimensions.

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