Spectrum of k-string tensions in SU(N) gauge theories
classification
✦ hep-lat
keywords
gaugesigmatensionstheoriescarlocasimirchargecompatible
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We compute, for the four-dimensional SU(4) and SU(6) gauge theories formulated on a lattice, the string tensions sigma_k related to sources with Z_N charge k, using Monte Carlo simulations. Our results are compatible with sigma_k \propto sin (k pi/N), and show sizeable deviations from Casimir scaling.
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