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题名: Aligned natural inflation and moduli stabilization from anomalous U(1) gauge symmetries
作者: Li, TJ ;  Li, ZJ ;  Nanopoulos, DV
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2014
期号: 11, 页码:12
关键词: HIDDEN MATTER ;  SUPERGRAVITY ;  SPECTRA ;  MODELS ;  TERMS
学科分类: Physics
DOI: 10.1007/JHEP11(2014)012
通讯作者: Li, TJ (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Li, Tianjun] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: To obtain natural inflation with large tensor-to-scalar ratio in string framework, we need a special moduli stabilization mechanism which can separate the masses of real and imaginary components of Kahler moduli at different scales, and achieve a trans-Planckian axion decay constant from sub-Planckian axion decay constants. In this work, we stabilize the matter fields by F-terms and the real components of Kahler moduli by D-terms of two anomalous U(1)(X) x U(1)(A) symmetries strongly at high scales, while the corresponding axions remain light due to their independence on the Fayet-Iliopoulos (FI) term in moduli stabilization. The racetrack-type axion superpotential is obtained from gaugino condensations of the hidden gauge symmetries SU(n) xSU(m) with massive matter fields in the bi-fundamental respresentations. The axion alignment via Kim-Nilles-Pelroso (KNP) mechanism corresponds to an approximate S-2 exchange symmetry of two Kahler moduli in our model, and a slightly S-2 symmetry breaking leads to the natural inflation with super-Planckian decay constant.
资助者: DOE [DE-FG03-95-ER-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; National Basic Research Program of China (973 Program) [2010CB833000]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000347907700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15580
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Li, TJ,Li, ZJ,Nanopoulos, DV. Aligned natural inflation and moduli stabilization from anomalous U(1) gauge symmetries[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(11):12.
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