Calculation of Feynman integrals by difference equations
High Energy Physics - Phenomenology
2007-05-23 v2
Abstract
In this paper we describe a method of calculation of master integrals based on the solution of systems of difference equations in one variable. Various explicit examples are given, as well as the generalization to arbitrary diagrams.
Cite
@article{arxiv.hep-ph/0311065,
title = {Calculation of Feynman integrals by difference equations},
author = {S. Laporta},
journal= {arXiv preprint arXiv:hep-ph/0311065},
year = {2007}
}
Comments
LaTex, 10 pages, uses appolb.cls. Presented at the XXVII International Conference of Theoretical Physics "Matter to the Deepest", Ustron, Poland, 15-21 September 2003. To appear in Acta Physica Polonica. v2:added references