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题名: Flipped and unflipped SU(5) as type IIA flux vacua
作者: Chen, Ching-Ming ;  Li, Tianjun ;  Nanopoulos, Dimitri V.
刊名: NUCLEAR PHYSICS B
出版日期: 2006
卷号: 751, 期号:40910, 页码:260-284
关键词: INTERSECTING D6-BRANES ;  MODULI STABILIZATION ;  STRING MODEL ;  ORIENTIFOLDS ;  BRANES ;  UNIFICATION
学科分类: Physics
通讯作者: Li, TJ , Rutgers State Univ, Dept Phys & Astron, POB 849, 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; Acad Athens, Div Nat Sci, Athens 10679, Greece
英文摘要: On type IIA orientifolds with flux compactifications in supersymmetric AdS vacua, we for the first time construct SU(5) models with three anti-symmetric 10 representations and without symmetric 15 representations. We show that all the pairs of the anti-fundamental and fundamental 5 representations can obtain GUT/string-scale vector-like masses after the additional gauge symmetry breaking via supersymmetry preserving Higgs mechanism. Then we have exact three, and no other chiral exotic particles that are charged under SU(5) due to the non-Abelian anomaly free condition. Moreover, we can break the SU(5) gauge symmetry down to the SM gauge symmetry via D6-brane splitting, and solve the doublet-triplet splitting problem. Assuming that the extra one (or several) pair(s) of Higgs doublets and adjoint particles obtain GUT/string-scale masses via high-dimensional operators, we only have the MSSM in the observable sector below the GUT scale. Then the observed low energy gauge couplings can be generated via RGE running if we choose the suitable grand unified gauge coupling by adjusting the string scale. Furthermore, we construct the first flipped SU(5) model with exact three 10, and the first flipped SU(5) model in which all the Yukawa couplings are allowed by the global U(l) symmetries. (c) 2006 Elsevier B.V. All fights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000239669200010
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5912
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,Nanopoulos, Dimitri V.. Flipped and unflipped SU(5) as type IIA flux vacua[J]. NUCLEAR PHYSICS B,2006,751(40910):260-284.
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