Intrinsic Regularization Method in QCD

TL;DR

This paper introduces an intrinsic regularization method for QCD that preserves gauge invariance and yields results consistent with traditional methods, offering a new approach to handling divergences in quantum field theories.

Contribution

The paper proposes a novel intrinsic regularization technique for QCD that maintains gauge invariance and aligns with existing regularization results at one loop order.

Findings

Gauge invariance is preserved explicitly.

Results match those from other regularization methods.

Method successfully regularizes divergent graphs in QCD.

Abstract

There exist certain intrinsic relations between the ultraviolet divergent graphs and the convergent ones at the same loop order in renormalizable quantum field theories. Whereupon we may establish a new method, the intrinsic regularization method, to regularize those divergent graphs. In this paper, we apply this method to QCD at the one loop order. It turns out to be satisfactory:The gauge invariance is preserved manifestly and the results are the same as those derived by means of other regularization methods.