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题名: Take up the challenge for a single field inflation after BICEP2
作者: Feng, CJ ;  Li, XZ
刊名: MODERN PHYSICS LETTERS A
出版日期: 2014
卷号: 29, 期号:36, 页码:1450197
关键词: FLATNESS ;  UNIVERSE ;  HORIZON
学科分类: Physics
DOI: 10.1142/S0217732314501971
通讯作者: Feng, CJ (reprint author), Shanghai Normal Univ, Shanghai United Ctr Astrophys, 100 Guilin Rd, Shanghai 200234, Peoples R China.
部门归属: [Feng, Chao-Jun ;  Li, Xin-Zhou] Shanghai Normal Univ, Shanghai United Ctr Astrophys, Shanghai 200234, Peoples R China ;  [Feng, Chao-Jun] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The measurement of the tensor-to-scalar ratio r shows a very powerful constraint to theoretical inflation models through the detection of B-mode. In this paper, we propose a single inflation model with infinity power series potential called the Infinity Power Series (IPS) inflation model, which is well consistent with latest observations from Planck and BICEP2. Furthermore, it is found that in the IPS model, the absolute value running of the spectral index increases while the tensor-to-scalar ratio becomes large, namely both large r approximate to 0.20 and vertical bar n(s)'vertical bar greater than or similar to O(10(-2)) are realized in the IPS model. In the meanwhile, the number of e-folds is also big enough N approximate to 50-60 to solve the problems in Big Bang cosmology.
资助者: National Science Foundation of China [11105091, 11047138]; "Chen Guang" project - Shanghai Municipal Education Commission; National Education Foundation of China [2009312711004]; Shanghai Natural Science Foundation, China [10ZR1422000]; Chinese Ministry of Education [211059]; Shanghai Special Education Foundation [ssd10004]; Shanghai Normal University [DXL124]; Shanghai Education Development Foundation [12CG51]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000345515000006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15563
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Feng, CJ,Li, XZ. Take up the challenge for a single field inflation after BICEP2[J]. MODERN PHYSICS LETTERS A,2014,29(36):1450197.
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