Why and how to use a differential equation method to calculate multi-loop integrals
高能物理 - 唯象学
2011-03-17 v1
摘要
A short pedagogical introduction to a differential method used to calculate multi-loop scalar integrals is presented. As an example it is shown how to obtain, using the method, large mass expansion of the two loop sunrise master integrals.
引用
@article{arxiv.hep-ph/0110351,
title = {Why and how to use a differential equation method to calculate multi-loop integrals},
author = {M. Czachor and H. Czyz},
journal= {arXiv preprint arXiv:hep-ph/0110351},
year = {2011}
}
备注
9 p., presented at XXV International Conference on Theoretical Physics "Particle Physics and Astrophysics in the Standard Models and Beyond", Ustron, Poland, September 2001