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题名: Variations of the hidden sector in a realistic intersecting brane model
作者: Chen, Ching-Ming ;  Li, Tianjun ;  Mayes, V. E. ;  Nanopoulos, Dimitri V.
刊名: JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
出版日期: 2008
卷号: 35, 期号:9, 页码:-
关键词: IIA ORIENTIFOLDS ;  MODULI STABILIZATION ;  FERMION MASSES ;  FLIPPED SU(5) ;  FLUX VACUA ;  D6-BRANES
学科分类: Physics
通讯作者: Chen, CM , Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
部门归属: [Chen, CM; Li, TJ; Mayes, VE; Nanopoulos, DV] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA; [Li, TJ] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Nanopoulos, DV] Houston Adv Res Ctr, Astroparticle Phys Grp, The Woodlands, TX 77381 USA; [Nanopoulos, DV] Acad Athens, Div Nat Sci, Athens 10679, Greece
英文摘要: Recently, we discussed the first example of a phenomenologically realistic intersecting D6-brane model. In this model, the gauge symmetry in the hidden sector is U Sp(2)(1) x U Sp(2)(2) x U Sp(2)(3) x U Sp(2)(4). However, we find that the U Sp(2)(1) x U Sp(2)(2) gauge symmetry can be replaced by a U(2)(12) gauge symmetry, and/or the U Sp(2)(3) x U Sp(2)(4) gauge symmetry can be replaced by a U(2)(34) gauge symmetry since the U Sp(2)(2) stacks of D6-branes contribute to the same Ramond - Ramond tadpoles as those of the U( 2) stacks. Thus, there are three non-equivalent variations of the hidden sector, and the corresponding gauge symmetries are U(2)(12) x U Sp(2)(3) x U Sp(2)(4), U(2)(34) x U Sp(2)(1) x U Sp(2)(2) and U(2)(12) x U(2)(34), respectively. Moreover, we study the hidden sector gauge symmetry breaking, discuss how to decouple the additional exotic particles and briefly comment on the phenomenological consequences.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000258385500009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5466
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Chen, Ching-Ming,Li, Tianjun,Mayes, V. E.,et al. Variations of the hidden sector in a realistic intersecting brane model[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2008,35(9):-.
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