Schouten identities for Feynman graph amplitudes; the Master Integrals for the two-loop massive sunrise graph

Nuclear Physics B, (2014): 343-377

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摘要

A new class of identities for Feynman graph amplitudes, dubbed Schouten identities, valid at fixed integer value of the dimension d is proposed. The identities are then used in the case of the two-loop sunrise graph with arbitrary masses for recovering the second-order differential equation for the scalar amplitude in d=2 dimensions, as w...更多

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