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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
Source PublicationPHYSICS LETTERS B
KeywordStandard Model D-terms Baryogenesis Mechanism Supergravity Symmetry Hair
AbstractWe 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.
2006
ISSN0370-2693
Volume643Issue:2Pages:127-130
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5820
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYang, JM , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
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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