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Related papers: Generalized Three-Family Supersymmetric Pati-Salam…

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We construct new three-family ${\cal N}=1$ supersymmetric Pati-Salam models from intersecting D6-branes with original gauge group ${\rm U}(4)_C \times {\rm USp}(2)_L \times {\rm U}(2)_R$ on a Type IIA $\mathbb{T}^6/(\mathbb{Z}_2\times…

High Energy Physics - Theory · Physics 2024-04-01 Adeel Mansha , Tianjun Li , Mudassar Sabir , Lina Wu

We construct a systematic method to build all the possible three-family ${\cal N}=1$ supersymmetric Pati-Salam models from Type IIA orientifolds on $\mathbb{T}^6/(\mathbb{Z}_2\times \mathbb{Z}_2)$ with intersecting D6-branes, in which the…

High Energy Physics - Theory · Physics 2022-08-09 Weikun He , Tianjun Li , Rui Sun

Following the scanning methods of arXiv:1910.04530, we for the first time systematically construct the $N=1$ supersymmetric $SU(12)_C\times SU(2)_L\times SU(2)_R$ models, $SU(4)_C\times SU(6)_L\times SU(2)_R$ models, and $SU(4)_C\times…

High Energy Physics - Theory · Physics 2023-04-28 Tianjun Li , Adeel Mansha , Rui Sun

Employing new scanning methods, we revisit the systematic construction of three-family $N=1$ supersymmetric Pati-Salam models in Type IIA orientifolds on ${\bf T}^6/(\mathbb Z_2\times \mathbb Z_2)$ with intersecting D6-branes. Arising from…

High Energy Physics - Theory · Physics 2020-06-23 Tianjun Li , Adeel Mansha , Rui Sun

We provide a systematic construction of three-family N=1 supersymmetric Pati-Salam models from Type IIA orientifolds on $\IT^6/(\IZ_2\times \IZ_2)$ with intersecting D6-branes. All the gauge symmetry factors $SU(4)_C\times SU(2)_L \times…

High Energy Physics - Theory · Physics 2009-09-17 Mirjam Cvetic , Tianjun Li , Tao Liu

We construct, for the first time, a three-family $\mathcal{N}=1$ supersymmetric Pati-Salam model from rigid intersecting D6-branes on a factorizable $\mathbb{T}^6/(\mathbb{Z}_2\times \mathbb{Z}_2')$ orientifold with discrete torsion. The…

High Energy Physics - Theory · Physics 2025-07-01 Adeel Mansha , Mudassar Sabir , Tianjun Li , Luyang Wang

We investigate the construction of four-family ${\cal N}=1$ supersymmetric Pati-Salam models from Type IIA $\mathbb{T}^6/(\mathbb{Z}_2 \times \mathbb{Z}_2)$ orientifold with intersecting D6-branes. Utilizing the deterministic algorithm…

High Energy Physics - Theory · Physics 2022-07-06 Tianjun Li , Rui Sun , Chi Zhang

We have constructed all the three-family ${\cal N} = 1$ supersymmetric Pati-Salam models from intersecting D6-branes, and obtained 33 independent models in total. But how to realize the string-scale gauge coupling relations in these models…

High Energy Physics - Theory · Physics 2023-10-10 Tianjun Li , Rui Sun , Lina Wu

By introducing an extra stack of D6-branes to standard ${\cal N}=1$ supersymmetric Pati-Salam models, we extend the landscape of its complete search. In this construction, the $d$-stack of D6-branes is introduced besides the standard…

High Energy Physics - Theory · Physics 2026-01-09 Haotian Huangfu , Tianjun Li , Qi Sun , Rui Sun

All the possible three-family ${\cal N}=1$ supersymmetric Pati-Salam models constructed with intersecting D6-branes from Type IIA orientifolds on $T^6/(\mathbb{Z}_2\times \mathbb{Z}_2)$ are recently presented in arXiv: 2112.09632. Taking…

High Energy Physics - Theory · Physics 2022-08-17 Weikun He , Tianjun Li , Rui Sun , Lina Wu

It is well-known that three-family supersymmetric Pati-Salam models from intersecting D6-branes, where either one or both of the ${\rm U}(2)$ gauge factors are replaced by a ${\rm USp}(2)$ group, are quite scarce. In order to construct all…

High Energy Physics - Theory · Physics 2023-11-23 Adeel Mansha , Tianjun Li , Lina Wu

We explore supersymmetric Type I string-motivated three-family scenarios in which the Standard Model is embedded within two sets of intersecting D branes with U(1)-extended Pati-Salam gauge groups. We study a model inspired by the Shiu-Tye…

High Energy Physics - Phenomenology · Physics 2009-11-07 L. Everett , G. L. Kane , S. F. King , S. Rigolin , L. Wang

Intersecting D6-brane models without discrete torsion typically suffer from unstabilized open string moduli, arising from D-brane positions and Wilson lines. These moduli generate additional massless adjoint fields, obstructing the…

High Energy Physics - Theory · Physics 2025-09-05 Adeel Mansha , Mudassar Sabir , Tianjun Li , Luyang Wang

Intersecting D-brane model building often suffer from the unstabilized open-string moduli, leading to the unwanted massless adjoint scalars. In our previous work arXiv:2505.03664, this issue was resolved by employing the rigid D6-branes on…

High Energy Physics - Theory · Physics 2026-05-13 Adeel Mansha , Mudassar Sabir , Tianjun Li , Luyang Wang

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=1 supersymmetry conditions are the main…

High Energy Physics - Theory · Physics 2008-11-26 Ching-Ming Chen , Tianjun Li , Dimitri V. Nanopoulos

We analyze the construction of non-supersymmetric three generation six-stack Pati-Salam (PS) $SU(4)_C \times SU(2)_L \times SU(2)_R$ GUT classes of models, by localizing D6-branes intersecting at angles in four dimensional orientifolded…

High Energy Physics - Theory · Physics 2007-05-23 Christos Kokorelis

Intersecting D-brane worlds provide phenomenologically appealing constructions of four dimensional low energy string vacua. In this talk, a Z_4 x Z_2 orbifold background is taken into account. It is possible to obtain supersymmetric and…

High Energy Physics - Theory · Physics 2007-05-23 Gabriele Honecker

We construct new Standard-like models on Type II orientifolds. In Type IIA theory on $\mathbf{T^6/(\Z_2\times \Z_2)}$ orientifold with intersecting D6-branes, we first construct a three-family trinification model where the $U(3)_C\times…

High Energy Physics - Theory · Physics 2008-11-26 Ching-Ming Chen , Tianjun Li , Dimitri V. Nanopoulos

We investigate intersecting D6-branes on an orientifold of type IIA theory in the orbifold background T^6/(Z_4 x Z_2) with the emphasis on finding chiral spectra. RR tadpole cancellation conditions and the scalar potential at disc level are…

High Energy Physics - Theory · Physics 2010-04-05 Gabriele Honecker

A supersymmetric Pati-Salam model with wrapping number equal to 5 has been constructed in Type IIA orientifolds on $\mathbf{T}^6/(\mathbb{Z}_2\times \mathbb{Z}_2)$ with intersecting D6-branes recently. In particular, the string-scale gauge…

High Energy Physics - Theory · Physics 2022-09-23 Mudassar Sabir , Tianjun Li , Adeel Mansha , Xiao-Chuan Wang
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