Four-dimensional integration by parts with differential renormalization as a method of evaluation of Feynman diagrams

TL;DR

This paper presents a novel method combining four-dimensional integration by parts with differential renormalization to evaluate Feynman diagrams more effectively.

Contribution

It introduces a new approach that integrates four-dimensional IBP with differential renormalization for Feynman diagram calculations.

Findings

Enables calculation of Feynman diagrams using four-dimensional techniques.

Combines IBP with differential renormalization for improved accuracy.

Provides a framework for infrared divergence treatment.

Abstract

It is shown how strictly four-dimensional integration by parts combined with differential renormalization and its infrared analogue can be applied for calculation of Feynman diagrams.