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Li, Tianjun1; Mansha, Adeel1; Sun, Rui2,3
Revisiting the supersymmetric Pati-Salam models from intersecting D6-branes
Source PublicationEUROPEAN PHYSICAL JOURNAL C
Language英语
AbstractEmploying novel random and supervised scanning methods, we systematically revisit the construction of three-family N=1 supersymmetric Pati-Salam models in Type IIA orientifolds on T6/(Z2xZ2) with intersecting D6-branes. Arising from the stacks of D6-branes with U(n) gauge symmetries, the Pati-Salam gauge symmetries SU(4)CxSU(2)LxSU(2)R can be broken down to the Standard Model via D-brane splitting as well as D- and F-flatness preserving Higgs mechanism. Also, the hidden sector contains USp(n) branes, which are parallel with the orientifold planes or their Z2 images. We find that the Type II T-duality in the previous study is not an equivalent relation in Pati-Salam model building if the model is not invariant under SU(2)L and SU(2)R exchange, and provides a way to obtain new models. We systematically construct the new models with three families, which usually do not have gauge coupling unification at the string scale. We for the first time construct the Pati-Salam models with at least one wrapping number whose absolute value reaching 5. In particular, for one large wrapping number equal to 5, we find that one kind of model carries more refined gauge couplings, and thus with more possibilities to have approximate gauge coupling unification.
2021
ISSN1434-6044
Volume81Issue:1Pages:82
Cooperation Status国际
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1140/epjc/s10052-021-08839-w
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27468
CollectionSCI期刊论文
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Tsinghua Univ, Yau Math Sci Ctr, Beijing 100084, Peoples R China
4.Korea Inst Adv Study, 85 Hoegiro, Seoul 02455, South Korea
Recommended Citation
GB/T 7714
Li, Tianjun,Mansha, Adeel,Sun, Rui. Revisiting the supersymmetric Pati-Salam models from intersecting D6-branes[J]. EUROPEAN PHYSICAL JOURNAL C,2021,81(1):82.
APA Li, Tianjun,Mansha, Adeel,&Sun, Rui.(2021).Revisiting the supersymmetric Pati-Salam models from intersecting D6-branes.EUROPEAN PHYSICAL JOURNAL C,81(1),82.
MLA Li, Tianjun,et al."Revisiting the supersymmetric Pati-Salam models from intersecting D6-branes".EUROPEAN PHYSICAL JOURNAL C 81.1(2021):82.
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