Regularization dependence on the Schwinger-Dyson equation in Abelian gauge theory: 4D vs 3D cutoff regularization

preprint2015arXivOpen access

Abstract

We study the regularization dependence on the quenched Schwinger-Dyson equations in general gauge by applying the two types of regularizations, the four and three dimensional momentum cutoffs. The obtained results indicate that the solutions are not drastically affected by the choice of two different cutoff prescriptions. We then think that both the regularizations can nicely be adopted in the analyses for the Schwinger-Dyson equations.

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