Feynman Diagrams and Differential Equations

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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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