Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 26, Issue 15, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/26/15/155018
Keywords
-
Categories
Funding
- NSFC, China [10821504, 10525060]
- Chinese Academy of Sciences [KJCX3-SYW-N2]
Ask authors/readers for more resources
Hawking radiation is an important quantum phenomenon of a black hole, which is closely related to the existence of an event horizon of a black hole. The cosmological event horizon of de Sitter space is also of Hawking radiation with a thermal spectrum. By use of the tunneling approach, we show that there is indeed a Hawking radiation with temperature, T = 1/2 pi(r) over tilde (A), for a locally defined apparent horizon of a Friedmann-Robertson-Walker universe with any spatial curvature, where (r) over tilde (A) is the apparent horizon radius. Thus we fill in the gap existing in the literature investigating the relation between the first law of thermodynamics and Friedmann equations; there the apparent horizon is assumed to have such a temperature without any proof. In addition, we stress the implication of the Hawking temperature associated with the apparent horizon.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available