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

J. Fleischer
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J. Fleischer: Fakultät für Physik, Universität Bielefeld, D-33615 Bielefeld 1, Germany

International Journal of Modern Physics C (IJMPC), 1995, vol. 06, issue 04, 495-501

Abstract: In a recent paper1a 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 Padé approximants. I present numerical examples.

Date: 1995
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DOI: 10.1142/S0129183195000344

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