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Zhang, WS; Cheng, C; Huang, QG; Li, M; Li, S; Li, XD; Wang, S; Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
Testing modified gravity models with recent cosmological observations
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
语种英语
关键词Gamma-ray Bursts Holographic Dark Energy Digital Sky Survey Baryon Acoustic-oscillations Supernova Legacy Survey Hubble-space-telescope Modified Chaplygin-gas Yang-mills Condensate Lyman-alpha Forest Bvri Light Curves
摘要We explore the cosmological implications of five modified gravity (MG) models by using the recent cosmological observational data, including the recently released SNLS3 type Ia supernovae sample, the cosmic microwave background anisotropy data from the Wilkinson Microwave Anisotropy Probe 7-yr observations, the baryon acoustic oscillation results from the Sloan Digital Sky Survey data release 7, and the latest Hubble constant measurement utilizing the Wide Field Camera 3 on the Hubble Space Telescope. The MG models considered include the Dvali-Gabadadze-Porrati (DGP) model, two f (R) models, and two f (T) models. We find that compared with the I > CDM model, MG models can not lead to an appreciable reduction of the chi (min) (2) . The analysis of AIC and BIC shows that the simplest cosmological constant model (Lambda CDM) is still the most preferred by the current data, and the DGP model is strongly disfavored. In addition, from the observational constraints, we also reconstruct the evolutions of the growth factor in these models. We find that the current available growth factor data are not enough to distinguish these MG models from the Lambda CDM model.
2012
ISSN1674-7348
卷号55期号:12页码:2244-2258
学科领域Physics
收录类别SCI
项目资助者National Natural Science Foundation of China [10535060/A050207, 10821504, 10975167]; Chinese Academy of Science; NSFC ; National Natural Science Foundation of China [10535060/A050207, 10821504, 10975167]; Chinese Academy of Science; NSFC ; National Natural Science Foundation of China [10535060/A050207, 10821504, 10975167]; Chinese Academy of Science; NSFC ; National Natural Science Foundation of China [10535060/A050207, 10821504, 10975167]; Chinese Academy of Science; NSFC
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被引频次:23[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/311006/14972
专题理论物理所科研产出_SCI论文
通讯作者Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
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Zhang, WS,Cheng, C,Huang, QG,et al. Testing modified gravity models with recent cosmological observations[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(12):2244-2258.
APA Zhang, WS.,Cheng, C.,Huang, QG.,Li, M.,Li, S.,...&Huang, QG .(2012).Testing modified gravity models with recent cosmological observations.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(12),2244-2258.
MLA Zhang, WS,et al."Testing modified gravity models with recent cosmological observations".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.12(2012):2244-2258.
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