ITP OpenIR  > 理论物理所2011年知识产出
Figure of merit and different combinations of observational data sets
Su, QP; Tuo, ZL; Cai, RG; Su, QP (reprint author), Hangzhou Normal Univ, Dept Phys, Hangzhou 310036, Zhejiang, Peoples R China.
2011
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号84期号:10页码:103519
摘要To constrain cosmological parameters, one often makes a joint analysis with different combinations of observational data sets. In this paper we take the figure of merit (FoM) for Dark Energy Task Force fiducial model (Chevallier-Polarski-Linder model) to estimate goodness of different combinations of data sets, which include 11 widely used observational data sets (type Ia supernovae, observational hubble parameter, baryon acoustic oscillation, cosmic microwave background, x-ray cluster baryon mass fraction, and gamma-ray bursts). We analyze different combinations and make a comparison for two types of combinations based on two types of basic combinations, which are often adopted in the literature. We find two sets of combinations, which have a strong ability to constrain the dark energy parameters: one has the largest FoM, and the other contains less observational data with a relatively large FoM and a simple fitting procedure.
部门归属[Su, Qiping] Hangzhou Normal Univ, Dept Phys, Hangzhou 310036, Zhejiang, Peoples R China; [Su, Qiping; Tuo, Zhong-Liang; Cai, Rong-Gen] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
关键词Observations Cosmological Interpretation Supernova Legacy Survey Hubble-space-telescope Dark Energy Cosmic Acceleration Ia Supernovae Constraints Universe Probe Constant
学科领域Physics
资助者National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11075098]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences
WOS记录号WOS:000297158800002
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被引频次:8[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/311006/14230
专题理论物理所2011年知识产出
通讯作者Su, QP (reprint author), Hangzhou Normal Univ, Dept Phys, Hangzhou 310036, Zhejiang, Peoples R China.
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Su, QP,Tuo, ZL,Cai, RG,et al. Figure of merit and different combinations of observational data sets[J]. PHYSICAL REVIEW D,2011,84(10):103519.
APA Su, QP,Tuo, ZL,Cai, RG,&Su, QP .(2011).Figure of merit and different combinations of observational data sets.PHYSICAL REVIEW D,84(10),103519.
MLA Su, QP,et al."Figure of merit and different combinations of observational data sets".PHYSICAL REVIEW D 84.10(2011):103519.
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