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Two-field quintom models in the w-w ' plane
Guo, ZK; Piao, YS; 张新民Zhang, XM; Zhang, YZ
2006
发表期刊PHYSICAL REVIEW D
卷号74期号:12页码:127304
通讯作者Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China ; Chinese Acad Sci, Grad Sch, Coll Phys Sci, Beijing 100049, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; CCAST, World Lab, Beijing 100080, Peoples R China
文章类型Article
摘要The w-w(') plane, defined by the equation of state parameter for the dark energy and its derivative with respect to the logarithm of the scale factor, is useful to the study of classifying the dynamical dark energy models. In this note, we examine the evolving behavior of the two-field quintom models with w crossing the w=-1 barrier in the w-w(') plane. We find that these models can be divided into two categories, type A quintom in which w changes from >-1 to <-1 and type B quintom in which w changes from <-1 to >-1 as the universe expands.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.74.127304
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000243171800112
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被引频次:66[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/311005/240995
专题理论物理室
作者单位中国科学院高能物理研究所
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Guo, ZK,Piao, YS,张新民Zhang, XM,et al. Two-field quintom models in the w-w ' plane[J]. PHYSICAL REVIEW D,2006,74(12):127304.
APA Guo, ZK,Piao, YS,张新民Zhang, XM,&Zhang, YZ.(2006).Two-field quintom models in the w-w ' plane.PHYSICAL REVIEW D,74(12),127304.
MLA Guo, ZK,et al."Two-field quintom models in the w-w ' plane".PHYSICAL REVIEW D 74.12(2006):127304.
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