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Wu, YB; Zhao, YY; Cai, RG; Lu, JB; Lu, JW; Gao, XJ; Wu, YB (reprint author), Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China.
Thermodynamic laws for generalized f(R) gravity with curvature-matter coupling
发表期刊PHYSICS LETTERS B
语种英语
关键词f r Gravity Black-hole 2nd Law Frw Universe Dark Energy 1st Law Geometry Entropy Equations 2nd-law
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.
2012
ISSN0370-2693
卷号717期号:4-5页码:323-329
学科领域Physics
收录类别SCI
项目资助者National Natural Science Foundation of China [11175077, 11035008, 10975168, 11147150]; Natural Science Foundation of Liaoning Province, China [20102124, L2011189] ; National Natural Science Foundation of China [11175077, 11035008, 10975168, 11147150]; Natural Science Foundation of Liaoning Province, China [20102124, L2011189] ; National Natural Science Foundation of China [11175077, 11035008, 10975168, 11147150]; Natural Science Foundation of Liaoning Province, China [20102124, L2011189] ; National Natural Science Foundation of China [11175077, 11035008, 10975168, 11147150]; Natural Science Foundation of Liaoning Province, China [20102124, L2011189]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15007
专题理论物理所科研产出_SCI论文
通讯作者Wu, YB (reprint author), Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China.
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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.
APA Wu, YB.,Zhao, YY.,Cai, RG.,Lu, JB.,Lu, JW.,...&Wu, YB .(2012).Thermodynamic laws for generalized f(R) gravity with curvature-matter coupling.PHYSICS LETTERS B,717(4-5),323-329.
MLA Wu, YB,et al."Thermodynamic laws for generalized f(R) gravity with curvature-matter coupling".PHYSICS LETTERS B 717.4-5(2012):323-329.
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