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题名: Deep connection between f(R) gravity and the interacting dark sector model
作者: He, JH ;  Wang, B ;  Abdalla, E
刊名: PHYSICAL REVIEW D
出版日期: 2011
卷号: 84, 期号:12, 页码:123526
关键词: SCALAR-TENSOR THEORY ;  OBSERVATIONAL CONSTRAINTS ;  ENERGY ;  MATTER ;  EQUIVALENCE ;  PRINCIPLE ;  FIELD
学科分类: Physics
通讯作者: He, JH (reprint author), Shanghai Jiao Tong Univ, INPAC, Shanghai 200240, Peoples R China.
部门归属: [He, Jian-Hua; Wang, Bin] Shanghai Jiao Tong Univ, INPAC, Shanghai 200240, Peoples R China; [He, Jian-Hua; Wang, Bin] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China; [Wang, Bin] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 10080, Peoples R China; [Abdalla, Elcio] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
英文摘要: We examine the conformal equivalence between the f(R) gravity and the interacting dark sector model. We review the well-known result that the conformal transformation physically corresponds to the mass dilation that marks the strength of interaction between dark sectors. Instead of modeling f(R) gravity in the Jordan frame, we construct the f(R) gravity in terms of mass dilation function in the Einstein frame. We find that the condition to keep f(R) gravity consistent with CMB observations ensures the energy flow from dark energy to dark matter in the corresponding interacting model, which meets the requirement to alleviate the coincidence problem in the Einstein framework.
资助者: NNSF of China [10878001]; National Basic Research Program of China under [2010CB833000]; FAPESP; CNPq (Brazil)
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000298666600003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14205
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Recommended Citation:
He, JH,Wang, B,Abdalla, E. Deep connection between f(R) gravity and the interacting dark sector model[J]. PHYSICAL REVIEW D,2011,84(12):123526.
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