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Heterotic non-Abelian string of a finite length

2016
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Physical Review D
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We consider non-Abelian strings in N=2 supersymmetric QCD with the U(N) gauge group and N_f=N quark flavors deformed by a mass term for the adjoint matter. This deformation breaks N=2 supersymmetry down to N=1. Dynamics of orientational zero modes on the string world sheet are described then by CP(N-1) model with N=(0,2) supersymmetry. We study the string of a finite length L assuming compactification on a cylinder (periodic boundary conditions). The world-sheet theory is solved in the large-N

doi:10.1103/physrevd.93.125020
fatcat:b5mwydnnmna35d3o43s3ljkwuq