A model for a dynamically induced large CP-violating phase

Abstract

Assuming a new interaction with a $\theta$ term for the third generation of quarks, a value of $\theta$ different from zero dynamically induces the top- bottom mass splitting and a large CP-violating phase.

Comments: 6 pages, latex, talk presented at the VI Workshop on Particles and Fields (21-27 Nov.1997 in Morelia Mich.,Mexico)