Particle models from orientifolds at Gepner-orbifold points

G. Aldazabal, E. C. Andrés, J. E. Juknevich

We consider configurations of stacks of orientifold planes and D-branes wrapped on a non trivial internal space of the structure {(Gepner model)^{c=3n} x T^{2(3-n)}}/Z_N, for n=1,2…