Hawking radiation of an apparent horizon in a FRW universe

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	Hawking radiation of an apparent horizon in a FRW universe
	Cai, Rong-Gen; Cao, Li-Ming; Hu, Ya-Peng; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
刊名	CLASSICAL AND QUANTUM GRAVITY
	2009
卷号	26 期号:15 页码:-
关键词	Black-hole Evaporation Scalar-tensor Gravity Equation-of-state 1st Law Particle Creation Thermodynamics Braneworld Cosmology Entropy Energy
ISSN号	0264-9381
英文摘要	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.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000268180400020
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5264]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
推荐引用方式 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):-.