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Feng, Chao-Jun; Zhang, Xin; Zhang, X , Northeastern Univ, Dept Phys, Coll Sci, Shenyang 110004, Peoples R China
Holographic Ricci dark energy in Randall-Sundrum braneworld: Avoidance of big rip and steady state future
Source PublicationPHYSICS LETTERS B
KeywordEquation-of-state Cosmological Constant Statefinder Diagnosis Model Constraints Quintessence Universe Evolution Bulk Term
AbstractIn the holographic Ricci dark energy (RDE) model, the parameter alpha plays an important role in determining the evolutionary behavior of the dark energy. When alpha < 1/2, the RDE will exhibit a quintom feature, i.e., the equation of state of dark energy will evolve across the cosmological constant boundary w = -1. Observations show that the parameter alpha is indeed smaller than 1/2, so the late-time evolution of RDE will be really like a phantom energy. Therefore, it seems that the big rip is inevitable in this model. On the other hand, the big rip is actually inconsistent with the theoretical framework of the holographic model of dark energy. To avoid the big rip, we appeal to the extra dimension physics. In this Letter, we investigate the cosmological evolution of the RDE in the braneworld cosmology. It is of interest to find that for the far future evolution Of RDE in a Randall-Sundrum braneworld, there is an attractor solution where the steady state (de Sitter) finale occurs, in stead of the big rip. (C) 2009 Elsevier B.V. All rights reserved.
2009
ISSN0370-2693
Volume680Issue:5Pages:399-403
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNatural Science Foundation of China[10705041, 10975032] ; Natural Science Foundation of China[10705041, 10975032] ; Natural Science Foundation of China[10705041, 10975032] ; Natural Science Foundation of China[10705041, 10975032]
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Cited Times:46[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5226
CollectionSCI期刊论文
Corresponding AuthorZhang, X , Northeastern Univ, Dept Phys, Coll Sci, Shenyang 110004, Peoples R China
Recommended Citation
GB/T 7714
Feng, Chao-Jun,Zhang, Xin,Zhang, X , Northeastern Univ, Dept Phys, Coll Sci, Shenyang 110004, Peoples R China. Holographic Ricci dark energy in Randall-Sundrum braneworld: Avoidance of big rip and steady state future[J]. PHYSICS LETTERS B,2009,680(5):399-403.
APA Feng, Chao-Jun,Zhang, Xin,&Zhang, X , Northeastern Univ, Dept Phys, Coll Sci, Shenyang 110004, Peoples R China.(2009).Holographic Ricci dark energy in Randall-Sundrum braneworld: Avoidance of big rip and steady state future.PHYSICS LETTERS B,680(5),399-403.
MLA Feng, Chao-Jun,et al."Holographic Ricci dark energy in Randall-Sundrum braneworld: Avoidance of big rip and steady state future".PHYSICS LETTERS B 680.5(2009):399-403.
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