Spontaneous symmetry breaking with Wilson renormalization group
arXiv:hep-th/9507098 · doi:10.1016/0550-3213(96)00073-9
Abstract
We study the conditions under which a symmetry is spontaneously broken in the Wilson renormalization group formulation. Both for a global and local symmetry, the result is that in perturbation theory one has to perform a fine tuning of the boundary conditions for the flow of the relevant couplings. We consider in detail the discrete case and the Abelian Higgs model.
19 pages, latex, no figures
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