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题名: A comprehensive comparison of cosmological models from the latest observational data
作者: Shi, K.1, 2; Huang, Y. F.1, 2; Lu Tan(陆埮)3, 4
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2012-11-01
卷号: 426, 期号:3, 页码:2452-2462
关键词: cosmological parameters ; cosmology: observations ; cosmology: theory ; dark energy
学科分类: Astronomy & Astrophysics
DOI: 10.1111/j.1365-2966.2012.21784.x
文章类型: Article
英文摘要: We carry out a detailed investigation of some popular cosmological models in light of the latest observational data, including the Union2.1 supernovae compilation, the baryon acoustic oscillation measurements from the WiggleZ Dark Energy Survey and the cosmic microwave background information from the Wilkinson Microwave Anisotropy Probe seven-year observations, along with the observational Hubble parameter data. Based on the selection statistics of the models, such as the Akaike and the Bayesian information criteria, we compare different models to assess their worth. We do not assume a flat universe in the fitting. Our results show that the concordance ? cold dark matter (CDM) model remains the best model to explain the data, while the DvaliGabadadzePorrati model is clearly not favoured by the data. Among these models, the models whose parameters can reduce themselves to the ?CDM model provide good fits to the data. These results indicate that for the current data, there is no obvious evidence to support the use of any more complex models over the simplest ?CDM model.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: BARYON ACOUSTIC-OSCILLATIONS ; INTERACTING DARK ENERGY ; PROBE WMAP OBSERVATIONS ; CHAPLYGIN-GAS MODEL ; SUPERNOVA DATA ; ACCELERATING UNIVERSE ; CONSTRAINTS ; PARAMETERS ; CONSTANT ; MATTER
收录类别: SCI
语种: 英语
WOS记录号: WOS:000310063900056
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/11052
Appears in Collections:陆埮_期刊论文

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作者单位: 1.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210093, Jiangsu, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
4.Nanjing Univ, Purple Mt Observ, Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China

Recommended Citation:
时 珂、黄永锋、陆 埮.A comprehensive comparison of Cosmological models from the Latest observational data,MNRAS,2012,426(2452):
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