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题名: Thermodynamic laws for generalized f(R) gravity with curvature-matter coupling
作者: Wu, YB ;  Zhao, YY ;  Cai, RG ;  Lu, JB ;  Lu, JW ;  Gao, XJ
刊名: PHYSICS LETTERS B
出版日期: 2012
卷号: 717, 期号:4-5, 页码:323-329
关键词: F R GRAVITY ;  BLACK-HOLE ;  2ND LAW ;  FRW UNIVERSE ;  DARK ENERGY ;  1ST LAW ;  GEOMETRY ;  ENTROPY ;  EQUATIONS ;  2ND-LAW
学科分类: Physics
通讯作者: Wu, YB (reprint author), Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China.
部门归属: [Wu, Ya-Bo; Zhao, Yue-Yue; Lu, Jian-Bo; Lu, Jun-Wang; Gao, Xiao-Jing] Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China; [Cai, Rong-Gen] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The first law and the generalized second law (GSL) of thermodynamics for the generalized f(R) gravity with curvature-matter coupling are studied in the spatially homogeneous, isotropic FRW universe. The research results show that the field equations of the generalized f(R) gravity with curvature-matter coupling can be cast to the form of the first law of thermodynamics with the so-called the entropy production terms d (S) over bar and the GSL can be given by considering the FRW universe filled only with ordinary matter enclosed by the dynamical apparent horizon with the Hawking temperature. Furthermore, as a concrete example, by utilizing the GSL the constraints on the gravitational model with f(1)(R) = R + alpha R-1 and f(2)(R) = R-m are also discussed. It is worth noting these results given by us are quite general and can degenerate to the ones in Einstein's general relativity and pure f(R) gravity with non-coupling and non-minimal coupling as special cases. Comparing with the case of Einstein's general relativity, the appearance of the entropy production term d (S) over bar in the first law of thermodynamics demonstrates that the horizon thermodynamics is non-equilibrium one for generalized f(R) gravity with curvature-matter coupling, which is consistent with the arguments given in Akbar and Cai (2007) [13] and Eling et al. (2006) [18]. (C) 2012 Elsevier B.V. All rights reserved.
资助者: National Natural Science Foundation of China [11175077, 11035008, 10975168, 11147150]; Natural Science Foundation of Liaoning Province, China [20102124, L2011189]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000310863300007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15007
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Wu, YB,Zhao, YY,Cai, RG,et al. Thermodynamic laws for generalized f(R) gravity with curvature-matter coupling[J]. PHYSICS LETTERS B,2012,717(4-5):323-329.
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