Planar Amplitudes in Maximally Supersymmetric Yang-Mills Theory

Details Planar Amplitudes in Maximally Supersymmetric Yang-Mills Theory Planar Amplitudes in Maximally Supersymmetric Yang-Mills Theory

2003-09-03

arxiv.org/abs/hep-th/0309040v3

Phys.Rev.Lett.91:251602,2003

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, 2 figures, uses revtex. v2: references added. v3: reference added, normalizations corrected

Scientific paper

10.1103/PhysRevLett.91.251602

The collinear factorization properties of two-loop scattering amplitudes in dimensionally-regulated N=4 super-Yang-Mills theory suggest that, in the planar ('t Hooft) limit, higher-loop contributions can be expressed entirely in terms of one-loop amplitudes. We demonstrate this relation explicitly for the two-loop four-point amplitude and, based on the collinear limits, conjecture an analogous relation for n-point amplitudes. The simplicity of the relation is consistent with intuition based on the AdS/CFT correspondence that the form of the large N_c L-loop amplitudes should be simple enough to allow a resummation to all orders.

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