Probing the cosmic acceleration from combinations of different data sets

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	Gong, Yungui; Wang, Bin; Cai, Rong-Gen; Gong, YG , Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
	Probing the cosmic acceleration from combinations of different data sets
发表期刊	JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
关键词	Digital Sky Survey Dark Energy Constraints Supernovae Matter
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.
	2010
ISSN	1475-7516
期号	4 页码:-
学科领域	Physics
收录类别	SCI
项目资助者	NNSF of China[10821504, 10878001, 10975168, 10935013]; National Basic Research Program of China[2010CB833004]; Natural Science Foundation, CQ CSTC[2009BA4050] ; NNSF of China[10821504, 10878001, 10975168, 10935013]; National Basic Research Program of China[2010CB833004]; Natural Science Foundation, CQ CSTC[2009BA4050] ; NNSF of China[10821504, 10878001, 10975168, 10935013]; National Basic Research Program of China[2010CB833004]; Natural Science Foundation, CQ CSTC[2009BA4050] ; NNSF of China[10821504, 10878001, 10975168, 10935013]; National Basic Research Program of China[2010CB833004]; Natural Science Foundation, CQ CSTC[2009BA4050]
引用统计	被引频次：21[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/311006/5139
专题	理论物理所科研产出_SCI论文
通讯作者	Gong, YG , Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
推荐引用方式 GB/T 7714	Gong, Yungui,Wang, Bin,Cai, Rong-Gen,et al. Probing the cosmic acceleration from combinations of different data sets[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2010(4):-.
APA	Gong, Yungui,Wang, Bin,Cai, Rong-Gen,&Gong, YG , Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China.(2010).Probing the cosmic acceleration from combinations of different data sets.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(4),-.
MLA	Gong, Yungui,et al."Probing the cosmic acceleration from combinations of different data sets".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .4(2010):-.

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