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题名: Type IIA Pati-Salam flux vacua
作者: Chen, CM ;  Li, TJ ;  Nanopoulos, DV
刊名: NUCLEAR PHYSICS B
出版日期: 2006
卷号: 740, 期号:40910, 页码:79-104
关键词: BREAKING SOFT TERMS ;  INTERSECTING D6-BRANES ;  FLIPPED SU(5) ;  SUPERSYMMETRY BREAKING ;  MODULI STABILIZATION ;  STRING MODEL ;  ORIENTIFOLDS ;  BRANES
学科分类: Physics
通讯作者: Li, TJ , Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA
部门归属: Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA; Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Houston Adv Res Ctr, Astroparticle Phys Grp, The Woodlands, TX 77381 USA; Acad Athens, Div Nat Sci, Athens 10679, Greece
英文摘要: We show that for supersymmetric AdS vacua on type IIA orientifolds with flux compactifications, the RR tadpole cancellation conditions can be completely relaxed, and then the four-dimensional N = I supersymmetry conditions are the main constraints on consistent intersecting D6-brane model building. We construct two kinds of three-family Pati-Salam models. In the first kind of models, the suitable three-family SM fermion masses and mixings can be generated at the stringy tree level, and then the rank one problem for the SM fermion Yukawa matrices can be solved. In the second kind of models, only the third family of the SM fermions can obtain masses at tree level. In these models, the complex structure parameters can be determined by supersymmetric D6-brane configurations, and all the moduli may be stabilized. The initial gauge symmetries U(4)(C) x U(2)(L) x U(2)(R) and U(4)(C) x USp(2)(L) x U(2)(R) can be broken down to the SU(3)(C) x SU(2)(L) X U(1)(B-L) X U(1)(I3R) due to the Green-Schwarz mechanism and D6-brane splittings, and further down to the SM gauge symmetry around the string scale via the supersymmetry preserving Higgs mechanism. Comparing to the previous model building, we have less bidoublet Higgs fields. However, there generically exist some exotic particles. (c) 2006 Elsevier B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000236615000005
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/6002
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, CM,Li, TJ,Nanopoulos, DV. Type IIA Pati-Salam flux vacua[J]. NUCLEAR PHYSICS B,2006,740(40910):79-104.
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