Generic multiloop methods and application to N=4 super-Yang-Mills

Details Generic multiloop methods and application to N=4 super-Yang-Mills Generic multiloop methods and application to N=4 super-Yang-Mills

2011-03-16

arxiv.org/abs/1103.3298v3

Physics

High Energy Physics

High Energy Physics - Theory

42 pages, 18 figures, invited review for a special issue of Journal of Physics A devoted to "Scattering Amplitudes in Gauge Th

Scientific paper

We review some recent additions to the tool-chest of techniques for finding compact integrand representations of multiloop gauge-theory amplitudes - including non-planar contributions - applicable for N=4 super-Yang-Mills in four and higher dimensions, as well as for theories with less supersymmetry. We discuss a general organization of amplitudes in terms of purely cubic graphs, review the method of maximal cuts, as well as some special D-dimensional recursive cuts, and conclude by describing the efficient organization of amplitudes resulting from the conjectured duality between color and kinematic structures on constituent graphs.

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