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题名: Probing the cosmic acceleration from combinations of different data sets
作者: Gong, Yungui ;  Wang, Bin ;  蔡荣根
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2010
期号: 4, 页码:-
关键词: DIGITAL SKY SURVEY ;  DARK ENERGY ;  CONSTRAINTS ;  SUPERNOVAE ;  MATTER
学科分类: Physics
通讯作者: Gong, YG , Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
部门归属: [Gong, YG; Wang, B; Cai, RG] Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China; [Wang, B] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China; [Cai, RG] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We examine in some detail the influence of the systematics in different data sets including type Ia supernova sample, baryon acoustic oscillation data and the cosmic microwave background information on the fitting results of the Chevallier-Polarski-Linder parametrization. We find that the systematics in the data sets does influence the fitting results and leads to different evolutional behavior of dark energy. To check the versatility of Chevallier-Polarski-Linder parametrization, we also perform the analysis on the Wetterich parametrization of dark energy. The results show that both the parametrization of dark energy and the systematics in data sets influence the evolutional behavior of dark energy.
资助者: NNSF of China[10821504, 10878001, 10975168, 10935013]; National Basic Research Program of China[2010CB833004]; Natural Science Foundation, CQ CSTC[2009BA4050]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000277684600014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5139
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:
Gong, Yungui,Wang, Bin,Cai, Rong-Gen. Probing the cosmic acceleration from combinations of different data sets[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2010(4):-.
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