Statistics – Applications
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009epjc...62..455l&link_type=abstract
The European Physical Journal C, Volume 62, Issue 3, pp.455-458
Statistics
Applications
4
04.62.+V, 04.70.Dy, 11.30-J
Scientific paper
Motivated by the successful applications of the anomaly cancellation method to derive Hawking radiation from various types of black hole spacetimes, we further extend the gravitational anomaly method to investigate the Hawking radiation from the apparent horizon of a FRW universe by assuming that the gravitational anomaly also exists near the apparent horizon of the FRW universe. The result shows that the radiation flux from the apparent horizon of the FRW universe measured by a Kodama observer is just the pure thermal flux. The result presented here will further confirm the thermal properties of the apparent horizon in a FRW universe.
Li Renwei
Ren Ji-Rong
Wei Shao-Wen
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