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Dirac strings and monopoles in the continuum limit of SU(2) lattice gauge theory

2001
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Nuclear Physics B
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Magnetic monopoles are known to emerge as leading non-perturbative fluctuations in the lattice version of non-Abelian gauge theories in some gauges. In terms of the Dirac quantization condition, these monopoles have magnetic charge |Q_M|=2. Also, magnetic monopoles with |Q_M|=1 can be introduced on the lattice via the 't Hooft loop operator. We consider the |Q_M|=1,2 monopoles in the continuum limit of the lattice gauge theories. To substitute for the Dirac strings which cost no action on the

doi:10.1016/s0550-3213(00)00603-9
fatcat:gn2vzcxgebdjtpup4ym6mthmre