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题名: Einstein-aether theory as an alternative to dark energy model?
作者: Meng, XH ;  Du, XL
刊名: PHYSICS LETTERS B
出版日期: 2012
卷号: 710, 期号:4-5, 页码:493-499
关键词: HUBBLE-SPACE-TELESCOPE ;  COSMOLOGICAL CONSTANT ;  PALATINI FORMULATION ;  MODIFIED GRAVITY ;  R-1-MODIFIED GRAVITY ;  UNIVERSE ;  CONSTRAINTS ;  SUPERNOVAE ;  PARAMETER ;  DYNAMICS
学科分类: Physics
通讯作者: Meng, XH (reprint author), Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
部门归属: [Meng, Xinhe; Du, Xiaolong] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China; [Du, Xiaolong] Lanzhou Univ, Dept Phys, Lanzhou 730001, Peoples R China; [Meng, Xinhe] CAS, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: In the generalized Einstein-aether theories by taking a special form of the Lagrangian density of aether field, the possibility of Einstein-aether theory as an alternative to dark energy model is discussed in detail, that is, taking a special aether field as a dark energy candidate. We compute the joint statistic constraints on this special model's parameters by using the recent type Ia supernovae (SNe Ia) data, the Cosmic Microwave Background (CMB) shift parameter data, and the Baryonic Acoustic Oscillations (BAOs) data traced by the Sloan Digital Sky Survey (SDSS). Furthermore, we analyze other constrains from the Observational Hubble parameter Data (OHD). The comparison with the standard cosmological model (cosmological constant Lambda Cold Dark Matter (Lambda CDM) model) is clearly shown with new features: also we comment on an interesting relation between the coupling constant M in this model and the possible existence of a special accelerating scale in the MOdified Newtonian Dynamics (MOND) model initially given by Milgrom with the hope for interpreting the galaxy rotation curves without introducing mysterious dark matter. (C) 2012 Published by Elsevier B.V.
资助者: Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) through the KITPC [KJCX2.YW.W10]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000303221800001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15115
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Meng, XH,Du, XL. Einstein-aether theory as an alternative to dark energy model?[J]. PHYSICS LETTERS B,2012,710(4-5):493-499.
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