Anomalies and Hawking fluxes from the black holes of topologically massive gravity

Details Anomalies and Hawking fluxes from the black holes of topologically massive gravity Anomalies and Hawking fluxes from the black holes of topologically massive gravity

2009-04-14

arxiv.org/abs/0904.2042v2

Phys.Lett.B675:235-239,2009

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, no figures, accepted in PLB, v2: references

Scientific paper

10.1016/j.physletb.2009.03.080

The anomaly cancelation method proposed by Wilczek et al. is applied to the black holes of topologically massive gravity (TMG) and topologically massive gravito-electrodynamics (TMGE). Thus the Hawking temperature and fluxes of the ACL and ACGL black holes are found. The Hawking temperatures obtained agree with the surface gravity formula. Both black holes are rotating and this gives rise to appropriate terms in the effective U(1) gauge field of the reduced (1+1)-dimensional theory. It is found that the terms in this U(1) gauge field correspond exactly to the correct angular velocities on the horizon of both black holes as well as the correct electrostatic potential of the ACGL black hole. So the results for the Hawking fluxes derived here from the anomaly cancelation method, are in complete agreement with the ones obtained from integrating the Planck distribution.

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