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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
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
KeywordExtended Einstein Equations Cardy-verlinde Formula Black-hole Entropy Symmetrical-solutions Particle Creation Lovelock Gravity Desitter Spaces Horizons Holography
AbstractApplying 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.
2005
ISSN1126-6708
Issue2Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:451[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13885
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
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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