The Quantum Dynamics of Heterotic Vortex Strings
Abstract
We study the quantum dynamics of vortex strings in N=1 SQCD with U(Nc) gauge group and Nf=Nc quarks. The classical worldsheet of the string has N=(0,2) supersymmetry, but this is broken by quantum effects. We show how the pattern of supersymmetry breaking and restoration on the worldsheet captures the quantum dynamics of the underlying 4d theory. We also find qualitative matching of the meson spectrum in 4d and the spectrum on the worldsheet.
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