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Constraints on hybrid inflation from flat directions in supersymmetry
Xu, Fuqiang; Yang, Jin Min; Yang, JM , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
2006
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号643期号:2页码:127-130
摘要We examine the constraints on F-term hybrid inflation by considering the flat directions in the Minimal Supersymmetric Standard Model (MSSM). We find that some coupling terms between the flat direction fields and the field which dominates the energy density during inflation are quite dangerous and can cause the no-exit of hybrid inflation even if their coupling strength is suppressed by Planck scale. Such couplings must be forbidden by imposing some symmetry for a successful F-term hybrid inflation. At the same time, we find that in the D-term inflation these couplings can be avoided naturally. Further, given the tachyonic preheating, we discuss the feasibility of Affleck-Dine baryogenesis after the F-term and D-term inflations. (c) 2006 Elsevier B.V. All rights reserved.
部门归属CCAST, World Lab, Beijing 100080, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Standard Model D-terms Baryogenesis Mechanism Supergravity Symmetry Hair
学科领域Physics
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收录类别SCI
WOS记录号WOS:000242599700011
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5820
专题理论物理所1978-2010年知识产出
通讯作者Yang, JM , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
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Xu, Fuqiang,Yang, Jin Min,Yang, JM , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China. Constraints on hybrid inflation from flat directions in supersymmetry[J]. PHYSICS LETTERS B,2006,643(2):127-130.
APA Xu, Fuqiang,Yang, Jin Min,&Yang, JM , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.(2006).Constraints on hybrid inflation from flat directions in supersymmetry.PHYSICS LETTERS B,643(2),127-130.
MLA Xu, Fuqiang,et al."Constraints on hybrid inflation from flat directions in supersymmetry".PHYSICS LETTERS B 643.2(2006):127-130.
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