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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
发表期刊PHYSICS LETTERS B
关键词Generalized Chaplygin-gas Equation-of-state Relativistic Theory Infrared Cutoff Brane Cosmology Bulk Thermodynamics Models Nonstationary Statefinder
摘要We 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
卷号680期号:4页码:355-358
学科领域Physics
收录类别SCI
项目资助者National 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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被引频次:58[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5228
专题理论物理所科研产出_SCI论文
通讯作者Feng, CJ , Shanghai Normal Univ, SUCA, 100 Guilin Rd, Shanghai 200234, Peoples R China
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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[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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