Abstract
Abstract
We study the Lorentz and Dirac algebra, including the antisymmetric ϵ tensor and the γ
5 matrix, in implicit gauge-invariant regularization/renormalization methods defined in fixed integer dimensions. They include constrained differential, implicit and four-dimensional renormalization. We find that these fixed-dimension methods face the same difficulties as the different versions of dimensional regularization. We propose a consistent procedure in these methods, similar to the consistent version of regularization by dimensional reduction.
Publisher
Springer Science and Business Media LLC
Subject
Nuclear and High Energy Physics
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