Nambu mass hierarchies in low energy string models

Details Nambu mass hierarchies in low energy string models Nambu mass hierarchies in low energy string models

1994-09-26

arxiv.org/abs/hep-th/9409154v2

Physics

High Energy Physics

High Energy Physics - Theory

3 pages, LATEX, 1 figure (appended in uuencoded form)

Scientific paper

This paper explores a recent idea of Nambu to generate hierarchies among Yukawa couplings in the context of effective supergravity and superstrings models. The Yukawa couplings are homogeneous functions of the moduli and a geometrical constraint between them with a crucial role in the Nambu mechanism is found in a class of models of no-scale type. The Yukawas are dynamical variables at low energy to be determined by a minimization process. (Based on the talk given at ICHEP94, Glasgow, july 1994)

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