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题名: Supernova constraints on a holographic dark energy model
作者: Huang, QG ;  Gong, YG
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2004
期号: 8, 页码:-
关键词: HIGH-REDSHIFT SUPERNOVAE ;  COSMOLOGICAL CONSTANT ;  UNIVERSE ;  LAMBDA ;  FIELD
学科分类: Physics
通讯作者: Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China; Chongqing Univ Posts & Telecommun, Ctr Relat & Astrophys, Chongqing 400065, Peoples R China; Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
英文摘要: In this paper, we use the type Ia supernova data to constrain the model of holographic dark energy. For d = 1, the best fit result is Omega(m)(0) = 0.25, the equation of the state of the holographic dark energy w(Lambda)(0) = - 0.91 and the transition between the decelerating expansion and the accelerating expansion happened when the cosmological red-shift was z(T) = 0.72. If we set d as a free parameter, the best fit results are d = 0.21, Omega(m)(0) = 0.46, w(Lambda)(0) = - 2.67, which sounds like a phantom today, and the transition red-shift is z(T) = 0.28.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000223638500012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14030
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:
Huang, QG,Gong, YG. Supernova constraints on a holographic dark energy model[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2004(8):-.
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