Fermion Masses without Yukawa Couplings
  Radiatively generated fermion masses without tree level Yukawa couplings are re-analyzed within supersymmetric models. Special emphasis is given to the possible appearance of color and charge breaking vacua. Several scenarios in which the radiative mechanism can be accomodated for the first, second, and third generation fermion masses are presented. Some of these require a low scale of supersymmetry breaking. 
Francesca Borzumati, Glennys Farrar, Nir Polonsky, and Scott Thomas