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题名: Holographic dark energy in a cyclic universe
作者: Zhang, Jingfei ;  Zhang, Xin ;  Liu, Hongya
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2007
卷号: 52, 期号:3, 页码:693-699
关键词: EQUATION-OF-STATE ;  DIGITAL SKY SURVEY ;  COSMOLOGICAL CONSTANT ;  COUPLED QUINTESSENCE ;  COSMIC COINCIDENCE ;  MODEL ;  CONSTRAINTS ;  QUANTUM ;  CONSEQUENCES ;  PARAMETERS
学科分类: Physics
通讯作者: Zhang, JF , Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China
部门归属: Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100080, Peoples R China
英文摘要: In this paper we study the cosmological evolution of the holographic dark energy in a cyclic universe, generalizing the model of holographic dark energy proposed by Li. The holographic dark energy with c < 1 can realize a quintom behavior; namely, it evolves from a quintessence-like component to a phantom-like one. The holographic phantom energy density grows rapidly and dominates the late-time expanding phase, helping to realize a cyclic universe scenario in which the high energy regime is modified by the effects of quantum gravity, causing a turn-around (and a bounce) of the universe. The dynamical evolution of holographic dark energy in the regimes of low energy and high energy is governed by two differential equations, respectively. It is of importance to link the two regimes for this scenario. We propose a link condition giving rise to a complete picture of holographic evolution of a cyclic universe.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000250632800018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5634
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhang, Jingfei,Zhang, Xin,Liu, Hongya. Holographic dark energy in a cyclic universe[J]. EUROPEAN PHYSICAL JOURNAL C,2007,52(3):693-699.
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