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题名: Reheating phase diagram for single-field slow-roll inflationary models
作者: Cai, RG;  Guo, ZK;  Wang, SJ
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 92, 期号:6, 页码:63506
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.92.063506
通讯作者: Cai, RG (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We investigate the influence on the inflationary predictions from the reheating processes characterized by the e-folding number N-reh and the effective equation-of-state parameter wreh during the reheating phase. For the first time, reheating processes can be constrained in the N-reh - w(reh) plane from Planck 2015. We find that for Higgs inflation with a nonminimal coupling to gravity, the predictions are insensitive to the reheating phase for current CMB measurements. We also find that the spontaneously broken SUSY inflation and axion monodromy inflation with phi(2/3) potential, which with instantaneous reheating lie outside or at the edge of the 95% confidence region in the n(s) - r plane from Planck 2015 TT, TE, EE + lowP, can well fit the data with the help of reheating processes. Future CMB experiments would put strong constraints on reheating processes.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: LARGE-SCALE STRUCTURE ;  NATURAL INFLATION ;  CONSTRAINTS ;  WARM
收录类别: SCI
项目资助者: Strategic Priority Research Program of the Chinese Academy of Sciences [XDB09000000] ;  National Natural Science Foundation of China [11175225, 11335012]
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20867
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Cai, RG,Guo, ZK,Wang, SJ. Reheating phase diagram for single-field slow-roll inflationary models[J]. PHYSICAL REVIEW D,2015,92(6):63506.
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