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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
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
KeywordDigital Sky Survey Dark Energy Constraints Supernovae Matter
AbstractWe 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
ISSN1475-7516
Issue4Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNNSF 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]
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Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5139
CollectionSCI期刊论文
Corresponding AuthorGong, YG , Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
Recommended Citation
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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