ITP OpenIR  > 理论物理所2014年知识产出
The tension on the cosmological parameters from different observational data
Gao, Q; Gong, YG; Gong, YG (reprint author), Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China.
2014
发表期刊CLASSICAL AND QUANTUM GRAVITY
ISSN0264-9381
卷号31期号:10页码:105007
摘要Planck measurements of the cosmic microwave background power spectra find a lower value of the Hubble constant H-0 and a higher value of the fractional matter energy density Omega(m0) for the concordance Lambda CDMmodel, and these results are in tension with other measurements. The Planck group argued that the tension came either from some sources of unknown systematic errors in some astrophysical measurements or the wrong Lambda CDM model applied in fitting the data. We studied the reason for the tension on H-0 from different measurements by considering two dynamical dark energy models. We found that there is no tension between different data, the constraint on H-0 is almost unchanged for different dark energy models and the tension with the local measurements remains when the error bar on H-0 is tightened to be around 1. We argue that the tension on H-0 is not caused by the fitting model.
部门归属[Gao, Qing
关键词Baryon Acoustic-oscillations Equation-of-state Dark-energy Ia Supernovae Measurement Constraints Cosmic Acceleration Redshift Gravity Space Constant
学科领域Physics
资助者National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055]
DOI10.1088/0264-9381/31/10/105007
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收录类别SCI
语种英语
资助者National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [10935013, 11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055]
WOS记录号WOS:000336092700008
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15757
专题理论物理所2014年知识产出
通讯作者Gong, YG (reprint author), Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China.
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GB/T 7714
Gao, Q,Gong, YG,Gong, YG . The tension on the cosmological parameters from different observational data[J]. CLASSICAL AND QUANTUM GRAVITY,2014,31(10):105007.
APA Gao, Q,Gong, YG,&Gong, YG .(2014).The tension on the cosmological parameters from different observational data.CLASSICAL AND QUANTUM GRAVITY,31(10),105007.
MLA Gao, Q,et al."The tension on the cosmological parameters from different observational data".CLASSICAL AND QUANTUM GRAVITY 31.10(2014):105007.
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