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Viscous Ricci dark energy
Feng, Chao-Jun; Li, Xin-Zhou; Feng, CJ , Shanghai Normal Univ, SUCA, 100 Guilin Rd, Shanghai 200234, Peoples R China
2009
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号680期号:4页码:355-358
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.
部门归属[Feng, CJ; Li, XZ] Shanghai Normal Univ, SUCA, Shanghai 200234, Peoples R China; [Feng, CJ] Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Generalized Chaplygin-gas Equation-of-state Relativistic Theory Infrared Cutoff Brane Cosmology Bulk Thermodynamics Models Nonstationary Statefinder
学科领域Physics
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] ; 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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收录类别SCI
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] ; 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]
WOS记录号WOS:000271360100011
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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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