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First law of thermodynamics and Friedmann equations of Friedmann-Robertson-Walker universe
Cai, RG; Kim, SP; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2005
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1126-6708
期号2页码:-
摘要Applying the first law of thermodynamics to the apparent horizon of a Riedmann-Robertson-Walker universe and assuming the geometric entropy given by a quarter of the apparent horizon area, we derive the Friedmann equations describing the dynamics of the universe with any spatial curvature. Using entropy formulae for the static spherically symmetric black hole horizons in Gauss-Bonnet gravity and in more general Lovelock gravity, where the entropy is not proportional to the horizon area, we are also able to obtain the Friedmann equations in each gravity theory. We also discuss some physical implications of our results.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Baylor Univ, Dept Phys, CASPER, Waco, TX 76798 USA; Kunsan Natl Univ, Dept Phys, Kunsan 573701, South Korea; Asia Pacific Ctr Theoret Phys, Pohang 790784, South Korea
关键词Extended Einstein Equations Cardy-verlinde Formula Black-hole Entropy Symmetrical-solutions Particle Creation Lovelock Gravity Desitter Spaces Horizons Holography
学科领域Physics
收录类别SCI
WOS记录号WOS:000228861300050
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被引频次:393[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13885
专题理论物理所SCI论文
通讯作者Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
Cai, RG,Kim, SP,Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. First law of thermodynamics and Friedmann equations of Friedmann-Robertson-Walker universe[J]. JOURNAL OF HIGH ENERGY PHYSICS,2005(2):-.
APA Cai, RG,Kim, SP,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2005).First law of thermodynamics and Friedmann equations of Friedmann-Robertson-Walker universe.JOURNAL OF HIGH ENERGY PHYSICS(2),-.
MLA Cai, RG,et al."First law of thermodynamics and Friedmann equations of Friedmann-Robertson-Walker universe".JOURNAL OF HIGH ENERGY PHYSICS .2(2005):-.
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