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Feng, Chao-Jun; Li, Xin-Zhou; Feng, CJ , Shanghai Normal Univ, SUCA, 100 Guilin Rd, Shanghai 200234, Peoples R China
Viscous Ricci dark energy
Source PublicationPHYSICS LETTERS B
KeywordGeneralized Chaplygin-gas Equation-of-state Relativistic Theory Infrared Cutoff Brane Cosmology Bulk Thermodynamics Models Nonstationary Statefinder
AbstractWe investigate the viscous Ricci dark energy (RDE) model by assuming that there is bulk viscosity in the linear barotropic fluid and the RDE. In the RDE model without bulk viscosity, the universe is younger than some old objects at certain redshifts. Since the age of the universe should be longer than any objects living in the universe, the RDE model suffers the age problem, especially when we consider the object APM 08279 + 5255 at z = 3.91 with age t = 2.1 Gyr. In this Letter, we find that once the viscosity is taken into account, this age problem is alleviated. (C) 2009 Elsevier B.V. All rights reserved.
2009
ISSN0370-2693
Volume680Issue:4Pages:355-358
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Science Foundation of China[10847153, 10671128] ; National Science Foundation of China[10847153, 10671128] ; National Science Foundation of China[10847153, 10671128] ; National Science Foundation of China[10847153, 10671128]
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Cited Times:60[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5228
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorFeng, CJ , Shanghai Normal Univ, SUCA, 100 Guilin Rd, Shanghai 200234, Peoples R China
Recommended Citation
GB/T 7714
Feng, Chao-Jun,Li, Xin-Zhou,Feng, CJ , Shanghai Normal Univ, SUCA, 100 Guilin Rd, Shanghai 200234, Peoples R China. Viscous Ricci dark energy[J]. PHYSICS LETTERS B,2009,680(4):355-358.
APA Feng, Chao-Jun,Li, Xin-Zhou,&Feng, CJ , Shanghai Normal Univ, SUCA, 100 Guilin Rd, Shanghai 200234, Peoples R China.(2009).Viscous Ricci dark energy.PHYSICS LETTERS B,680(4),355-358.
MLA Feng, Chao-Jun,et al."Viscous Ricci dark energy".PHYSICS LETTERS B 680.4(2009):355-358.
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