Differential Equations for Definition and Evaluation of Feynman Integrals
High Energy Physics - Theory
2016-09-06 v1
Abstract
It is shown that every Feynman integral can be interpreted as Green function of some linear differential operator with constant coefficients. This definition is equivalent to usual one but needs no regularization and application of -operation. It is argued that presented formalism is convenient for practical calculations of Feynman integrals.
Cite
@article{arxiv.hep-th/9407174,
title = {Differential Equations for Definition and Evaluation of Feynman Integrals},
author = {F. A. Lunev},
journal= {arXiv preprint arXiv:hep-th/9407174},
year = {2016}
}
Comments
pages, LaTEX, MSU-PHYS-HEP-Lu2/94