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Yukawa coupling structure in intersecting D-brane models

  • theoretical physics
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Abstract.

The structure of Yukawa coupling matrices is investigated in type IIA T 6/(Z2 x Z2) orientifold models with intersecting D-branes. Yukawa coupling matrices are difficult to be made realistic in 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 non-trivial structures of Yukawa coupling matrices, which can be realistic.

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Authors and Affiliations

  1. Department of Physics, Tokyo Metropolitan University, Hachioji, 192-0397, Tokyo, Japan

    N. Kitazawa

  2. Department of Physics, Kyoto University, 606-8502, Kyoto, Japan

    T. Kobayashi

  3. Theoretical Physics Laboratory, RIKEN, 2-1 Hirosawa, Wako, 351-0198, Saitama, Japan

    N. Maru

  4. Theory Group, KEK, 1-1 Oho, Tsukuba, 305-0801, Ibaraki, Japan

    N. Okada

Authors
  1. N. Kitazawa
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  2. T. Kobayashi
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  3. N. Maru
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  4. N. Okada
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Corresponding author

Correspondence to N. Kitazawa.

Additional information

Received: 8 December 2004, Revised: 22 December 2004, Published online: 9 March 2005

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Kitazawa, N., Kobayashi, T., Maru, N. et al. Yukawa coupling structure in intersecting D-brane models. Eur. Phys. J. C 40, 579–587 (2005). https://doi.org/10.1140/epjc/s2005-02166-4

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  • DOI: https://doi.org/10.1140/epjc/s2005-02166-4

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