Techniques for one-loop calculations in constrained differential renormalization
F. del Aguila, A. Culatti, R. Munoz-Tapia, M. Perez-Victoria
Abstract
We describe in detail the constrained procedure of differential renormalization and develop the techniques required for one-loop calculations. As an illustration we renormalize Scalar QED and show that the two-, three- and four-point Ward identities are automatically satisfied.
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