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Cai, RG; Myung, YS; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Holography in a radiation-dominated universe with a positive cosmological constant
Source PublicationPHYSICAL REVIEW D
KeywordCardy-verlinde Formula Conformal Field-theory Black-hole Entropy Friedmann Equation Desitter Spaces Brane Cosmology Thermodynamics Bounds Supernovae Horizons
AbstractWe discuss the holographic principle in a radiation-dominated, closed Friedmann-Robertson-Walker universe with a positive cosmological constant. By introducing a cosmological D bound on the entropy of matter in the universe, we can write the Friedmann equation governing the evolution of the universe in the form of the Cardy formula. When the cosmological D bound is saturated, the Friedmann equation coincides with the Cardy-Verlinde formula describing the entropy of radiation in the universe. As a concrete model, we consider a brane universe in the background of Schwarzschild-de Sitter black holes. It is found that the cosmological D bound is saturated when the brane crosses the black hole horizon of the background. At that moment, the Friedmann equation coincides with the Cardy-Verlinde formula describing the entropy of radiation matter on the brane.
2003
ISSN0556-2821
Volume67Issue:12Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13277
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,Myung, YS,Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Holography in a radiation-dominated universe with a positive cosmological constant[J]. PHYSICAL REVIEW D,2003,67(12):-.
APA Cai, RG,Myung, YS,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2003).Holography in a radiation-dominated universe with a positive cosmological constant.PHYSICAL REVIEW D,67(12),-.
MLA Cai, RG,et al."Holography in a radiation-dominated universe with a positive cosmological constant".PHYSICAL REVIEW D 67.12(2003):-.
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