Yukawa Coupling Structure in Intersecting D-brane Models

Details Yukawa Coupling Structure in Intersecting D-brane Models Yukawa Coupling Structure in Intersecting D-brane Models

2004-06-14

arxiv.org/abs/hep-th/0406115v3

Eur.Phys.J.C40:579-587,2005

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 2 figures

Scientific paper

10.1140/epjc/s2005-02166-4

The structure of Yukawa coupling matrices is investigated in type IIA T^6/(Z_2 x Z_2) orientifold models with intersecting D-branes. Yukawa coupling matrices are difficult to be realistic in the conventional models in which the generation structure emerges by the multiple intersection of D-branes in the factorized T^6 = T^2 x T^2 x T^2. We study the new type of flavor structure, where Yukawa couplings are dynamically generated, and show this type of models lead to nontrivial structures of Yukawa coupling matrices, which can be realistic.

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