A note on thermodynamics of black holes in Lovelock gravity

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	A note on thermodynamics of black holes in Lovelock gravity
	Cai, RG; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
刊名	PHYSICS LETTERS B
	2004
卷号	582 期号:40972 页码:237-242
关键词	Gauss-bonnet Gravity Extended Einstein Equations Symmetrical-solutions Entropy Holography Terms
ISSN号	0370-2693
英文摘要	The Lovelock gravity consists of the dimensionally extended Enter densities. The geometry and horizon structure of black hole solutions could be quite complicated in this gravity, however, we find that some thermodynamic quantities of the black holes like the mass, Hawking temperature and entropy, have simple forms expressed in terms of horizon radius. The case with black hole horizon being a Ricci flat hypersurface is particularly simple. In that case the black holes are always thermodynamically stable with a positive heat capacity and their entropy still obeys the area formula, which is no longer valid for black holes with positive or negative constant curvature horizon hypersurface. In addition, for black holes in the gravity theory of Ricci scalar plus a 2n-dimensional Euler density with a positive coefficient, thermodynamically stable small black holes always exist in D = 2n + I dimensions, which are absent in the case without the Euler density term, while the thermodynamic properties of the black hole solutions with the Euler density term are qualitatively similar to those of black holes without the Euler density term as D > 2n + 1. (C) 2004 Published by Elsevier B.V.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000189091100012
公开日期	2012-08-30
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/14112]
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 100080, Peoples R China.
推荐引用方式 GB/T 7714	Cai, RG,Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. A note on thermodynamics of black holes in Lovelock gravity[J]. PHYSICS LETTERS B,2004,582(40972):237-242.
APA	Cai, RG,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).A note on thermodynamics of black holes in Lovelock gravity.PHYSICS LETTERS B,582(40972),237-242.
MLA	Cai, RG,et al."A note on thermodynamics of black holes in Lovelock gravity".PHYSICS LETTERS B 582.40972(2004):237-242.