Nonperturbative calculations in SU(3) gauge theory
Abstract
An approximate technique for performing nonperturbative calculations in quantum SU(3) gauge theory is presented. One aspect of this nonperturbative method is the breaking down SU(3) SU(2) + coset. The procedure also uses some aspects of an old method by Heisenberg to calculate the n-point Green's function of strongly interacting, non-linear fields. Using these ideas we give approximate calculations of the 2 and 4-points Green's functions.
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