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题名: An analytic calculation of the growth index for f (R) dark energy model
作者: Huang, QG
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2014
卷号: 74, 期号:7, 页码:2964
关键词: COSMOLOGICAL CONSTANT ;  F(R) MODELS ;  GRAVITY ;  PERTURBATIONS ;  SUPERNOVAE ;  LAMBDA
学科分类: Physics
DOI: 10.1140/epjc/s10052-014-2964-6
通讯作者: Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We derive the analytic formula of the growth index for the f (R) dark energy model where the effect on the growth of matter density perturbation d(m) from modified gravity (MG) is encoded in the effective Newton coupling constant G(eff) in MG (or equivalently g = G(eff)/G). Based on the analytic formula, we propose that the parameter g can be directly found by comparing the observed growth rate f(g) = d ln delta(m)/d ln a to the prediction of f(g) in general relativity.
资助者: project of Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000350744400001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15709
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Huang, QG. An analytic calculation of the growth index for f (R) dark energy model[J]. EUROPEAN PHYSICAL JOURNAL C,2014,74(7):2964.
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