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Wei, H; Cai, RG; Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Cosmological evolution of "hessence" dark energy and avoidance of the big rip
发表期刊PHYSICAL REVIEW D
关键词Digital Sky Survey High-redshift Supernovae Probe Wmap Observations Hubble-space-telescope Equation-of-state Accelerating Universe o(n) Symmetry Data Release Constant Gravity
摘要Recently, many dark energy models whose equation-of-state parameter can cross the phantom divide w(de)=-1 have been proposed. In a previous paper [H. Wei, R. G. Cai, and D. F. Zeng, Classical Quantum Gravity 22, 3189 (2005)], we suggest such a model named hessence, in which a noncanonical complex scalar field plays the role of dark energy. In this work, the cosmological evolution of the hessence dark energy is investigated. We consider two cases: one is the hessence field with an exponential potential, and the other is with a (inverse) power-law potential. We separately investigate the dynamical system with four different interaction forms between hessence and background perfect fluid. It is found that the big rip never appears in the hessence model, even in the most general case, beyond particular potentials and interaction forms.
2005
ISSN1550-7998
卷号72期号:12页码:-
学科领域Physics
收录类别SCI
引用统计
被引频次:138[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/311006/13714
专题理论物理所科研产出_SCI论文
通讯作者Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Wei, H,Cai, RG,Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Cosmological evolution of "hessence" dark energy and avoidance of the big rip[J]. PHYSICAL REVIEW D,2005,72(12):-.
APA Wei, H,Cai, RG,&Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2005).Cosmological evolution of "hessence" dark energy and avoidance of the big rip.PHYSICAL REVIEW D,72(12),-.
MLA Wei, H,et al."Cosmological evolution of "hessence" dark energy and avoidance of the big rip".PHYSICAL REVIEW D 72.12(2005):-.
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