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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
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordBoson Flatness Universe Horizon Lhc
AbstractWhy 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
Volume90Issue:10Pages:103009
Subject AreaPhysics
DOI10.1103/PhysRevD.90.103009
Indexed BySCI
Funding OrganizationNational 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]
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15565
Collection理论物理所科研产出_SCI论文
Corresponding AuthorFeng, CJ (reprint author), Shanghai Normal Univ, Shanghai United Ctr Astrophys, 100 Guilin Rd, Shanghai 200234, Peoples R China.
Recommended Citation
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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