High Energy Physics - Theory
[Submitted on 14 May 2018 (v1), last revised 21 Jun 2018 (this version, v2)]
Title:Multi-loop techniques for massless Feynman diagram calculations
View PDFAbstract:We review several multi-loop techniques for analytical massless Feynman diagram calculations in relativistic quantum field theories: integration by parts, the method of uniqueness, functional equations and the Gegenbauer polynomial technique. A brief, historically oriented, overview of some of the results obtained over the decades for the massless 2-loop propagator-type diagram is given. Concrete examples of up to $5$-loop diagram calculations are also provided.
Submission history
From: Sofian Teber [view email][v1] Mon, 14 May 2018 11:16:00 UTC (350 KB)
[v2] Thu, 21 Jun 2018 12:39:23 UTC (351 KB)
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