String Theory Seminars
Kite diagram through Symmetries of Feynman Integrals (Quantum Spacetime Seminar Series)
by Dr. Subhajit Mazumdar (The Hebrew University of Jerusalem, Israel)
Monday, September 10, 2018
from
to
(Asia/Kolkata)
at A 304
at A 304
Description |
The Symmetries of Feynman Integrals (SFI) is a method for evaluating Feynman Integrals which exposes a novel continuous group associated with the diagram which depends only on its topology and acts on its parameters. Using this method we study the kite diagram, a two-loop diagram with two external legs, with arbitrary masses and spacetime dimension. Generically, this method reduces a Feynman integral into a line integral over simpler diagrams. We identify a locus in parameter space where the integral further reduces to a mere linear combination of simpler diagrams, thereby maximally generalizing the known massless case. |
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