ITP OpenIR  > 理论物理所2012年知识产出
TESTING NONSTANDARD COSMOLOGICAL MODELS WITH SNLS3 SUPERNOVA DATA AND OTHER COSMOLOGICAL PROBES
Li, ZX; Wu, PX; Yu, HW; Yu, HW (reprint author), Hunan Normal Univ, Minist Educ, Dept Phys, Changsha 410081, Hunan, Peoples R China.
2012
发表期刊ASTROPHYSICAL JOURNAL
ISSN0004-637X
卷号744期号:2页码:176
摘要We investigate the implications for some nonstandard cosmological models using data from the first three years of the Supernova Legacy Survey (SNLS3), assuming a spatially flat universe. A comparison between the constraints from the SNLS3 and those from other SN Ia samples, such as the ESSENCE, Union2, SDSS-II, and Constitution samples, is given and the effects of different light-curve fitters are considered. We find that analyzing SNe Ia with SALT2 or SALT or SiFTO can give consistent results and the tensions between different data sets and different light-curve fitters are obvious for fewer-free-parameters models. At the same time, we also study the constraints from SNLS3 along with data from the cosmic microwave background and the baryonic acoustic oscillations (CMB/BAO), and the latest Hubble parameter versus redshift (H(z)). Using model selection criteria such as chi(2)/dof, goodness of fit, Akaike information criterion, and Bayesian information criterion, we find that, among all the cosmological models considered here (Lambda CDM, constant w, varying w, Dvali-Gabadadze-Porrati (DGP), modified polytropic Cardassian, and the generalized Chaplygin gas), the flat DGP is favored by SNLS3 alone. However, when additional CMB/BAO or H(z) constraints are included, this is no longer the case, and the flat Lambda CDM becomes preferred.
部门归属[Li, Zhengxiang; Yu, Hongwei] Hunan Normal Univ, Minist Educ, Dept Phys, Changsha 410081, Hunan, Peoples R China; [Li, Zhengxiang; Yu, Hongwei] Hunan Normal Univ, Minist Educ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Changsha 410081, Hunan, Peoples R China; [Wu, Puxun; Yu, Hongwei] Ningbo Univ, Ctr Nonlinear Sci, Ningbo 315211, Zhejiang, Peoples R China; [Wu, Puxun; Yu, Hongwei] Ningbo Univ, Dept Phys, Ningbo 315211, Zhejiang, Peoples R China; [Wu, Puxun; Yu, Hongwei] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
关键词Chaplygin-gas Model Digital Sky Survey Hubble-space-telescope Light-curve Shapes Gamma-ray Bursts Ia Supernovae Legacy Survey Dark Energy Observational Constraints Constant
学科领域Physics
资助者Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province ; Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province ; Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province ; Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province
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收录类别SCI
语种英语
资助者Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province ; Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province ; Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province ; Hunan Provincial Innovation Foundation For Postgraduate; National Natural Science Foundation of China [10935013, 11175093, 11075083]; Zhejiang Provincial Natural Science Foundation of China [Z6100077, R6110518]; FANEDD [200922]; National Basic Research Program of China [2010CB832803]; NCET [09-0144]; PCSIRT [IRT0964]; Hunan Provincial Natural Science Foundation of China [11JJ7001]; Program for the Key Discipline in Hunan Province
WOS记录号WOS:000298666400095
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15181
专题理论物理所2012年知识产出
通讯作者Yu, HW (reprint author), Hunan Normal Univ, Minist Educ, Dept Phys, Changsha 410081, Hunan, Peoples R China.
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Li, ZX,Wu, PX,Yu, HW,et al. TESTING NONSTANDARD COSMOLOGICAL MODELS WITH SNLS3 SUPERNOVA DATA AND OTHER COSMOLOGICAL PROBES[J]. ASTROPHYSICAL JOURNAL,2012,744(2):176.
APA Li, ZX,Wu, PX,Yu, HW,&Yu, HW .(2012).TESTING NONSTANDARD COSMOLOGICAL MODELS WITH SNLS3 SUPERNOVA DATA AND OTHER COSMOLOGICAL PROBES.ASTROPHYSICAL JOURNAL,744(2),176.
MLA Li, ZX,et al."TESTING NONSTANDARD COSMOLOGICAL MODELS WITH SNLS3 SUPERNOVA DATA AND OTHER COSMOLOGICAL PROBES".ASTROPHYSICAL JOURNAL 744.2(2012):176.
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