Some examples of chiral moduli spaces and dynamical supersymmetry breaking

We investigate the low-energy dynamics of SU(N) gauge theories with one antisymmetric tensor field, N - 4 + N-f antifundamentals and N-f fundamentals, for N-f less than or equal to 3. For N-f = 3 we construct the quantum moduli space, and for N-f < 3 we find the exact quantum superpotentials. We find two large classes of models with dynamical supersymmetry breaking. The odd N theories break supersymmetry once appropriate mass terms are added in the superpotential. The even N theories break supersymmetry after gauging an extra chiral U(1) symmetry.