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Feng, CJ; Li, XZ; Feng, CJ (reprint author), Shanghai Normal Univ, Shanghai United Ctr Astrophys, 100 Guilin Rd, Shanghai 200234, Peoples R China.
Towards a realistic solution of the cosmological constant fine-tuning problem by Higgs inflation
发表期刊PHYSICAL REVIEW D
语种英语
关键词Boson Flatness Universe Horizon Lhc
摘要Why is the cosmological constant Lambda observed today so much smaller than the Planck scale, and why is the Universe accelerating at present? This is the so-called cosmological constant fine-tuning problem. In this paper, we find that this problem may be solved with the help of Higgs inflation by simply assuming a variable cosmological "constant" during the inflationary epoch. Meanwhile, it could predict a large tensor-to-scalar ratio r approximate to 0.20 and a large running of the spectral index n(s)' approximate to -0.028 with a red-tilt spectrum n(s) approximate to 0.96, as well as a big enough number of e-folds N approximate to 40, requiring that we solve the problems in big bang cosmology with the help of Lambda.
2014
ISSN1550-7998
卷号90期号:10页码:103009
学科领域Physics
DOI10.1103/PhysRevD.90.103009
收录类别SCI
项目资助者National Science Foundation of China [11105091, 11047138]; "Chen Guang" project of Shanghai Municipal Education Commission and Shanghai Education Development Foundation [12CG51]; National Education Foundation of China [2009312711004]; Shanghai Natural Science Foundation, China [10ZR1422000]; Key Project of Chinese Ministry of Education [211059]; Shanghai Special Education Foundation [ssd10004]; Program of Shanghai Normal University [DXL124] ; National Science Foundation of China [11105091, 11047138]; "Chen Guang" project of Shanghai Municipal Education Commission and Shanghai Education Development Foundation [12CG51]; National Education Foundation of China [2009312711004]; Shanghai Natural Science Foundation, China [10ZR1422000]; Key Project of Chinese Ministry of Education [211059]; Shanghai Special Education Foundation [ssd10004]; Program of Shanghai Normal University [DXL124] ; National Science Foundation of China [11105091, 11047138]; "Chen Guang" project of Shanghai Municipal Education Commission and Shanghai Education Development Foundation [12CG51]; National Education Foundation of China [2009312711004]; Shanghai Natural Science Foundation, China [10ZR1422000]; Key Project of Chinese Ministry of Education [211059]; Shanghai Special Education Foundation [ssd10004]; Program of Shanghai Normal University [DXL124] ; National Science Foundation of China [11105091, 11047138]; "Chen Guang" project of Shanghai Municipal Education Commission and Shanghai Education Development Foundation [12CG51]; National Education Foundation of China [2009312711004]; Shanghai Natural Science Foundation, China [10ZR1422000]; Key Project of Chinese Ministry of Education [211059]; Shanghai Special Education Foundation [ssd10004]; Program of Shanghai Normal University [DXL124]
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15565
专题理论物理所科研产出_SCI论文
通讯作者Feng, CJ (reprint author), Shanghai Normal Univ, Shanghai United Ctr Astrophys, 100 Guilin Rd, Shanghai 200234, Peoples R China.
推荐引用方式
GB/T 7714
Feng, CJ,Li, XZ,Feng, CJ . Towards a realistic solution of the cosmological constant fine-tuning problem by Higgs inflation[J]. PHYSICAL REVIEW D,2014,90(10):103009.
APA Feng, CJ,Li, XZ,&Feng, CJ .(2014).Towards a realistic solution of the cosmological constant fine-tuning problem by Higgs inflation.PHYSICAL REVIEW D,90(10),103009.
MLA Feng, CJ,et al."Towards a realistic solution of the cosmological constant fine-tuning problem by Higgs inflation".PHYSICAL REVIEW D 90.10(2014):103009.
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