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Five-loop four-point amplitude of N=4 super-Yang-Mills theory
Z Bern1, J J M Carrasco, H Johansson
1Department of Physics and Astronomy, UCLA, Los Angeles, California 90095, USA.
Abstract:
Using the method of maximal cuts, we construct the complete D-dimensional integrand of the five-loop four-point amplitude of N=4 super-Yang-Mills theory, including nonplanar contributions. In the critical dimension where this amplitude becomes ultraviolet divergent, we present a compact explicit expression for the nonvanishing ultraviolet divergence in terms of three vacuum integrals. This construction provides a crucial step towards obtaining the corresponding amplitude of N=8 supergravity required to resolve the general ultraviolet behavior of supergravity theories.
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