Dynamical supersymmetry breaking in large $N_c$ supersymmetric QCD

Abstract

We study dynamical supersymmetry breaking in supersymmetric QCD theories for $N_f<N_c$. We consider a model with a singlet chiral superfield coupled to the infrared meson chiral superfield through a classical superpotential. We examine the vacuum structure of this model and show that in a particular limit of the parameter space with the large $N_c$ limit, it has a vacuum that dynamically breaks supersymmetry. The supersymmetric vacuum, in this limit, is being pushed to infinity.

arXiv comment15 pages, the effect of Kahler potential considered, some results and the title changed, an appendix added

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