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- Title
Hawking radiation from black holes in de Sitter spaces via covariant anomalies.
- Authors
Gangopadhyay, Sunandan
- Abstract
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.
- Subjects
BLACKBODY radiation; SCHWARZSCHILD black holes; SUPERMASSIVE black holes; RADIATION; ELECTRIC radiation
- Publication
General Relativity & Gravitation, 2010, Vol 42, Issue 5, p1183
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-009-0900-0