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Cosmological evolution of a quintom model of dark energy
Guo, ZK; Piao, YS; Zhang XM(张新民); Zhang, XM; Zhang, YZ
2005
发表期刊PHYSICS LETTERS B
卷号608期号:3-4页码:#REF!
通讯作者Guo, ZK (reprint author), CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
文章类型Article
摘要We investigate in this Letter the cosmological evolution of a dark energy model with two scalar fields where one of the scalar has canonical kinetic energy and another scalar has negative kinetic energy term. For such a system with exponential potentials we find that during the evolution of the universe the equation of state w changes from w greater than or equal to -1 to w < -1, which is consistent with the recent observations. A phase-plane analysis shows that the "phantom"-dominated scaling solution is the stable late-time attractor of this type of models. (C) 2005 Elsevier B.V. All rights reserved.
学科领域Physics
DOI10.1016/j.physletb.2005.01.017
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000227157400001
引用统计
被引频次:510[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226711
专题理论物理室
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GB/T 7714
Guo, ZK,Piao, YS,Zhang XM,et al. Cosmological evolution of a quintom model of dark energy[J]. PHYSICS LETTERS B,2005,608(3-4):#REF!.
APA Guo, ZK,Piao, YS,张新民,Zhang, XM,&Zhang, YZ.(2005).Cosmological evolution of a quintom model of dark energy.PHYSICS LETTERS B,608(3-4),#REF!.
MLA Guo, ZK,et al."Cosmological evolution of a quintom model of dark energy".PHYSICS LETTERS B 608.3-4(2005):#REF!.
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