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Hu, YZ; Li, M; Li, N; Wang, S; Wang, S (reprint author), Sun Yat Sen Univ, Sch Astron & Space Sci, Guangzhou 510275, Guangdong, Peoples R China.
Impacts of different SNLS3 light-curve fitters on cosmological consequences of interacting dark energy models
Source PublicationASTRONOMY & ASTROPHYSICS
Language英语
KeywordDark Energy Cosmology:Observations Cosmological Parameters
AbstractWe explore the cosmological consequences of interacting dark energy (IDE) models using the SNLS3 supernova samples. In particular, we focus on the impacts of different SNLS3 light-curve fitters (LCF; referred to in this paper as SALT2, SiFTO and combined sample). Firstly, making use of the three SNLS3 data sets, as well as the Planck distance priors data and the galaxy clustering data, we constrain the parameter spaces of three IDE models. Then, we study the cosmic evolutions of Hubble parameter H(z), deceleration diagram q(z), statefinder hierarchy S-3((1))(z) and S-4((1))(z), and check whether or not these dark energy diagnosis can distinguish the differences among the results of different SNLS3 LCF. Finally, we perform a high redshift cosmic age test using three old high redshift objects (OHRO), and explore the fate of the Universe. We find that the impacts of different SNLS3 LCF are rather small, and can not be distinguished using H(z), q(z), S-3((1))(z),S-4((1))(z)and the age data of OHRO. In addition, we infer, from the current observations, how far we are from a cosmic doomsday in the worst case, and find that the combined sample always gives the largest 2 sigma lower limit of the time interval between "big rip" and today, while the results given by the SALT2 and the SiFTO sample are similar. These conclusions are insensitive to a specific form of dark sector interaction. Our method can be used to distinguish the differences among various cosmological observations.
2016
Volume592Pages:A101
Subject AreaAstronomy & Astrophysics
DOIhttp://dx.doi.org/10.1051/0004-6361/201526946
Indexed BySCI
Funding Organizationnational natural science foundation of China [11405024, 11275247, 11335012] ; national natural science foundation of China [11405024, 11275247, 11335012] ; national natural science foundation of China [11405024, 11275247, 11335012] ; national natural science foundation of China [11405024, 11275247, 11335012] ; fundamental research funds for the central universities [N130305007, 16lgpy50] ; fundamental research funds for the central universities [N130305007, 16lgpy50] ; fundamental research funds for the central universities [N130305007, 16lgpy50] ; fundamental research funds for the central universities [N130305007, 16lgpy50] ; Sun Yat-Sen university [985] ; Sun Yat-Sen university [985] ; Sun Yat-Sen university [985] ; Sun Yat-Sen university [985]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21571
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, S (reprint author), Sun Yat Sen Univ, Sch Astron & Space Sci, Guangzhou 510275, Guangdong, Peoples R China.
Recommended Citation
GB/T 7714
Hu, YZ,Li, M,Li, N,et al. Impacts of different SNLS3 light-curve fitters on cosmological consequences of interacting dark energy models[J]. ASTRONOMY & ASTROPHYSICS,2016,592:A101.
APA Hu, YZ,Li, M,Li, N,Wang, S,&Wang, S .(2016).Impacts of different SNLS3 light-curve fitters on cosmological consequences of interacting dark energy models.ASTRONOMY & ASTROPHYSICS,592,A101.
MLA Hu, YZ,et al."Impacts of different SNLS3 light-curve fitters on cosmological consequences of interacting dark energy models".ASTRONOMY & ASTROPHYSICS 592(2016):A101.
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