Vortex topology and the continuum limit of lattice gauge theories
Abstract
We study the stability of Z2 topological vortex excitations in d+1 dimensional SU(2) Yang-Mills theory on the lattice at T=0. This is found to depend on d and on the coupling considered. We discuss the connection with lattice artifacts causing bulk transitions in the betaA-betaF plane and draw some conclusions regarding the continuum limit of the theory.
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