04-02-2012, 01:25 PM
Feynman Diagrams and Differential Equations
Author: Mario Argeri, Pierpaolo Mastrolia | Size: 680 KB | Format: PDF | Quality: Unspecified | Publisher: arXiv | Year: 2007 | pages: 56
We review in a pedagogical way the method of differential equations for the evaluation of D-dimensionally regulated Feynman integrals. After dealing with the general features of the technique, we discuss its application in the context of one- and two-loop corrections to the photon propagator in QED, by computing the Vacuum Polarization tensor exactly in D.
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