Scattering amplitudes on the Coulomb branch of N=4 super Yang-Mills

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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6 pages, 2 figures; talk given at 'Loops and Legs in Quantum Field Theory' (April 25-30, 2010

Scientific paper

10.1016/j.nuclphysbps.2010.08.04

We discuss planar scattering amplitudes on the Coulomb branch of N=4 super
Yang-Mills. The vacuum expectation values on the Coulomb branch can be used to
regulate infrared divergences. We argue that this has a number of conceptual as
well as practical advantages over dimensional regularisation.

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