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Cai, RG; Gong, YG; Wang, B; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
Super-acceleration on the brane through energy flow from the bulk
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
KeywordHolographic Dark Energy Cosmological Constant Modified Gravity Inverse Powers 1/r Gravity Model Constraints Universe Scalar Curvature
AbstractWe consider a brane cosmological model with energy exchange between the brane and the bulk. Parametrizing the energy exchange term using the scale factor and Hubble parameter, we are able to exactly solve the modified Friedmann equation on the brane. In this model, the equation of state for the effective dark energy has a transition behaviour, changing from w(de)(eff) > - 1 to we(de)(eff) < - 1, while the equation of state for the dark energy on the brane has w > - 1. Fitting data from type Ia supernovae, the Sloan Digital Sky Survey and the Wilkinson Microwave Anisotropy Probe, our universe is predicted now to be in a state of super-acceleration with w(de0)(eff) = -1.21.
2006
ISSN1475-7516
Issue3Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/6034
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,Gong, YG,Wang, B,et al. Super-acceleration on the brane through energy flow from the bulk[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2006(3):-.
APA Cai, RG,Gong, YG,Wang, B,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.(2006).Super-acceleration on the brane through energy flow from the bulk.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(3),-.
MLA Cai, RG,et al."Super-acceleration on the brane through energy flow from the bulk".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .3(2006):-.
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