Hawking radiation from black holes in de Sitter spaces via covariant anomalies

Details Hawking radiation from black holes in de Sitter spaces via covariant anomalies Hawking radiation from black holes in de Sitter spaces via covariant anomalies

2009-10-12

arxiv.org/abs/0910.2079v1

Gen.Rel.Grav.42:1183-1187,2010

Physics

High Energy Physics

High Energy Physics - Theory

4 pages Latex, Accepted in General Relativity and Gravitation

Scientific paper

10.1007/s10714-009-0900-0

We apply the covariant anomaly cancellation method to compute the Hawking fluxes from the event and cosmic horizons of the Schwarzschild-de Sitter black hole. The derivation is new from the existing ones as we split the space in three different regions (near to and away from the event and cosmic horizons) and write down the covariant energy-momentum tensor using three step functions which covers the whole region leading elegantly to the conditions required to compute the Hawking fluxes from the event and cosmic horizons.

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