Two-Loop Iteration of Five-Point N=4 Super-Yang-Mills Amplitudes

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.97.181601

We confirm by explicit computation the conjectured all-orders iteration of planar maximally supersymmetric N=4 Yang-Mills theory in the nontrivial case of five-point two-loop amplitudes. We compute the required unitarity cuts of the integrand and evaluate the resulting integrals numerically using a Mellin--Barnes representation and the automated package of ref.~[1]. This confirmation of the iteration relation provides further evidence suggesting that N=4 gauge theory is solvable.

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