Screening and confinement in large Nf QCD2 and in N=1 SYM2
A. Armoni, J. Sonnenschein
Abstract
The screening nature of the potential between external quarks in massless SU(Nc) QCD2 is derived using an expansion in Nf- the number of flavors. Applying the same method to the massive model, we find a confining potential. We consider the N=1 super Yang Mills theory, reveal certain problematic aspects of its bosonized version and show the associated screening behavior by applying a point splitting method to the scalar current.
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