CALCULATION OF 2-LOOP VERTEX FUNCTIONS FROM THEIR SMALL MOMENTUM EXPANSION

被引:10
作者
FLEISCHER, J
机构
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS C-PHYSICS AND COMPUTERS | 1995年 / 6卷 / 04期
关键词
D O I
10.1142/S0129183195000344
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In a recent paper(1) a new powerful method to calculate Feynman diagrams was proposed. It consists in setting up a Taylor series expansion in the external momenta squared, a certain conformal mapping and subsequent resummation by means of Pade approximants. I present numerical examples.
引用
收藏
页码:495 / 501
页数:7
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