Gauss-Bonnet and Lovelock Gravities and the Generalized Second Law of Thermodynamics

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	Gauss-Bonnet and Lovelock Gravities and the Generalized Second Law of Thermodynamics
	Akbar, M.; Qadir, Asghar; Akbar, M , Natl Univ Sci & Technol, Ctr Adv Math & Phys, Peshawar Rd, Rawalpindi, Pakistan
刊名	CHINESE PHYSICS LETTERS
	2009
卷号	26 期号:6 页码:-
关键词	Extended Einstein Equations Black-hole Symmetrical-solutions Dominated Universe Apparent Horizon Field-equations Models Tensor
ISSN号	0256-307X
英文摘要	It has been shown [Chin. Phys. Lett. 25 (2008) 4199] that the generalized second law of thermodynamics holds in Einstein gravity. Here we extend this procedure for Gauss-Bonnet and Lovelock gravities. It is shown that by employing the general expression for temperature T(h) = \|kappa\|/2 pi = 1/2 pi(r) over tilde (A) (1 - (r) over tilde (A)/2H (r) over tilde (A)) associated with the apparent horizon of a Friedman-Robertson-Walker (FRW) universe and assuming T(m) = bT(h), we are able to construct conditions for which the generalized second law holds in Gauss-Bonnet and Lovelock gravities, where T(m) and T(h) are the temperatures of the source and the horizon respectively.
学科主题	Physics
WOS记录号	WOS:000266549300012
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5314]
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	Akbar, M , Natl Univ Sci & Technol, Ctr Adv Math & Phys, Peshawar Rd, Rawalpindi, Pakistan
推荐引用方式 GB/T 7714	Akbar, M.,Qadir, Asghar,Akbar, M , Natl Univ Sci & Technol, Ctr Adv Math & Phys, Peshawar Rd, Rawalpindi, Pakistan. Gauss-Bonnet and Lovelock Gravities and the Generalized Second Law of Thermodynamics[J]. CHINESE PHYSICS LETTERS,2009,26(6):-.
APA	Akbar, M.,Qadir, Asghar,&Akbar, M , Natl Univ Sci & Technol, Ctr Adv Math & Phys, Peshawar Rd, Rawalpindi, Pakistan.(2009).Gauss-Bonnet and Lovelock Gravities and the Generalized Second Law of Thermodynamics.CHINESE PHYSICS LETTERS,26(6),-.
MLA	Akbar, M.,et al."Gauss-Bonnet and Lovelock Gravities and the Generalized Second Law of Thermodynamics".CHINESE PHYSICS LETTERS 26.6(2009):-.