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Spectrum of confining strings in SU(N) gauge theories
Luigi Del Debbio, Haralambos Panagopoulos, Paolo Rossi +1
We study the spectrum of the confining strings in four-dimensional SU(N) gauge theories. We compute, for the SU(4) and SU(6) gauge theories formulated on a lattice, the string tens…
k-string tensions in SU(N) gauge theories
Luigi Del Debbio, Haralambos Panagopoulos, Paolo Rossi +1
In the context of four-dimensional SU(N) gauge theories, we study the spectrum of the confining strings. We compute, for the SU(6) gauge theory formulated on a lattice, the three i…
Large-n Critical Behavior of O(n)xO(m) Spin Models
Andrea Pelissetto, Paolo Rossi, Ettore Vicari
We consider the Landau-Ginzburg-Wilson Hamiltonian with O(n)x O(m) symmetry and compute the critical exponents at all fixed points to O(n^{-2}) and to O(ε^3) in a ε=4-d expansion.…