Dynamical Generation of Yukawa Couplings in Intersecting D-brane Models

Details Dynamical Generation of Yukawa Couplings in Intersecting D-brane Models Dynamical Generation of Yukawa Couplings in Intersecting D-brane Models

2004-09-14

arxiv.org/abs/hep-th/0409146v1

JHEP 0411 (2004) 044

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 1 figure, talk given at 12th International Conference on Supersymmetry and Unification of Fundamental Interactions (S

Scientific paper

We propose a scenario to obtain non-trivial Yukawa coupling matrices for the quark-lepton mass generation in supersymmetric intersecting D-brane models in type IIA T^6/Z_2 x Z_2 orientifold. As an example, an explicit model is constructed in which all the four generations of quarks and leptons and two pairs of massless Higgs fields are composite. In this model non-trivial Yukawa interactions are obtained by the interplay between the string-level higher dimensional interactions among "preons" and the dynamics of the confinement of "preons".

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