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Cai, Rong-Gen; Cao, Li-Ming; Hu, Ya-Peng; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
Hawking radiation of an apparent horizon in a FRW universe
Source PublicationCLASSICAL AND QUANTUM GRAVITY
KeywordBlack-hole Evaporation Scalar-tensor Gravity Equation-of-state 1st Law Particle Creation Thermodynamics Braneworld Cosmology Entropy Energy
AbstractHawking 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.
2009
ISSN0264-9381
Volume26Issue:15Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC, China[10821504, 10525060]; Chinese Academy of Sciences[KJCX3-SYW-N2] ; NSFC, China[10821504, 10525060]; Chinese Academy of Sciences[KJCX3-SYW-N2] ; NSFC, China[10821504, 10525060]; Chinese Academy of Sciences[KJCX3-SYW-N2] ; NSFC, China[10821504, 10525060]; Chinese Academy of Sciences[KJCX3-SYW-N2]
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Cited Times:177[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5264
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorCai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cai, Rong-Gen,Cao, Li-Ming,Hu, Ya-Peng,et al. Hawking radiation of an apparent horizon in a FRW universe[J]. CLASSICAL AND QUANTUM GRAVITY,2009,26(15):-.
APA Cai, Rong-Gen,Cao, Li-Ming,Hu, Ya-Peng,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.(2009).Hawking radiation of an apparent horizon in a FRW universe.CLASSICAL AND QUANTUM GRAVITY,26(15),-.
MLA Cai, Rong-Gen,et al."Hawking radiation of an apparent horizon in a FRW universe".CLASSICAL AND QUANTUM GRAVITY 26.15(2009):-.
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