Abstract
We show that for Wilson fermions on the lattice the continuum contribution to 〈 ψ ψ〉 can be unambiguously separated form the perturbative tail which arises because of the explicit chiral symmetry breaking. This phenomenon is shown to happen in the Gross-Neveu model to order 1 N , and we give general arguments for the occurrence of the same situation in four-dimensional gauge theories.
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