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Constraint on cosmological model with matter creation using complementary astronomical observations
Yuan Q(袁强); Qiang, Y; Zhang, TJ; Yi, ZL
2007
发表期刊ASTROPHYSICS AND SPACE SCIENCE
卷号311期号:4页码:407-411
通讯作者Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China
文章类型Article
摘要The universe with adiabatic matter creation is considered. It is thought that the negative pressure caused by matter creation can play the role of a dark energy component, and drive the accelerating expansion of the universe. Using the Type Ia supernovae (SNe Ia) data, the observational Hubble parameter data, the Cosmic Microwave Background (CMB) data and the Baryonic Acoustic Oscillation (BAO) data, we make constraints on the cosmological parameters, assuming a spatially flat universe. Our results show that the model with matter creation is consistent with the SNe Ia data, while the joint constraints of all these observational data disfavor this model. If the cosmological constant is taken into account, a traditional model without matter creation is favored by the joint observations.
关键词matter creation cosmology observational constraints supernovae
学科领域Astronomy & Astrophysics
DOI10.1007/s10509-007-9553-1
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语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000250784700004
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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.ihep.ac.cn/handle/311005/237354
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Yuan Q,Qiang, Y,Zhang, TJ,et al. Constraint on cosmological model with matter creation using complementary astronomical observations[J]. ASTROPHYSICS AND SPACE SCIENCE,2007,311(4):407-411.
APA 袁强,Qiang, Y,Zhang, TJ,&Yi, ZL.(2007).Constraint on cosmological model with matter creation using complementary astronomical observations.ASTROPHYSICS AND SPACE SCIENCE,311(4),407-411.
MLA 袁强,et al."Constraint on cosmological model with matter creation using complementary astronomical observations".ASTROPHYSICS AND SPACE SCIENCE 311.4(2007):407-411.
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