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Supernova constraints on a holographic dark energy model
Huang, QG; Gong, YG; Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2004
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号8页码:-
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.
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
关键词High-redshift Supernovae Cosmological Constant Universe Lambda Field
学科领域Physics
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收录类别SCI
WOS记录号WOS:000223638500012
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14030
专题理论物理所SCI论文
通讯作者Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Huang, QG,Gong, YG,Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Supernova constraints on a holographic dark energy model[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2004(8):-.
APA Huang, QG,Gong, YG,&Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).Supernova constraints on a holographic dark energy model.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(8),-.
MLA Huang, QG,et al."Supernova constraints on a holographic dark energy model".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .8(2004):-.
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