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题名: Large scale structure formation in Eddington-inspired Born-Infeld gravity
作者: Du, XL ;  Yang, K ;  Meng, XH ;  Liu, YX
刊名: PHYSICAL REVIEW D
出版日期: 2014
卷号: 90, 期号:4, 页码:44054
关键词: MICROWAVE BACKGROUND ANISOTROPIES ;  PERTURBATIONS ;  UNIVERSES ;  ENERGY ;  MODELS
学科分类: Physics
DOI: 10.1103/PhysRevD.90.044054
通讯作者: Liu, YX (reprint author), Lanzhou Univ, Inst Theoret Phys, Lanzhou 730000, Peoples R China.
部门归属: [Du, Xiao-Long ;  Yang, Ke ;  Liu, Yu-Xiao] Lanzhou Univ, Inst Theoret Phys, Lanzhou 730000, Peoples R China ;  [Meng, Xin-He] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China ;  [Meng, Xin-He] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China ;  [Liu, Yu-Xiao] Lanzhou Univ, MoE, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China
英文摘要: We study the large scale structure formation in Eddington-inspired Born-Infeld (EiBI) gravity. It is found that the linear growth of scalar perturbations in EiBI gravity deviates from that in general relativity for modes with large wave numbers (k), but the deviation is largely suppressed with the expansion of the Universe. We investigate the integrated Sachs-Wolfe effect in EiBI gravity, and find that its effect on the angular power spectrum of the anisotropy of the cosmic microwave background is almost the same as that in the Lambda-cold dark matter (Lambda CDM) model. We further calculate the linear matter power spectrum in EiBI gravity and compare it with that in the Lambda CDM model. Deviation is found on small scales (k greater than or similar to 0.1h Mpc(-1)), which can be tested in the future by observations from galaxy surveys.
资助者: National Natural Science Foundation of China (NSFC) [11375075]; Fundamental Research Funds for the Central Universities [lzujbky-2013-18]; Scholarship Award for Excellent Doctoral Student - Ministry of Education; Natural Science Foundation of China (NSFC) [11075078]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000344785100007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15677
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Du, XL,Yang, K,Meng, XH,et al. Large scale structure formation in Eddington-inspired Born-Infeld gravity[J]. PHYSICAL REVIEW D,2014,90(4):44054.
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