Amplitudes and Ultraviolet Behavior of N=8 Supergravity

Details Amplitudes and Ultraviolet Behavior of N=8 Supergravity Amplitudes and Ultraviolet Behavior of N=8 Supergravity

2011-03-09

arxiv.org/abs/1103.1848v2

Physics

High Energy Physics

High Energy Physics - Theory

28 pages, 8 figures, 3 tables. Talk presented at XVIth European Workshop on String Theory, Madrid, June, 2010. v2: minor typos

Scientific paper

In this contribution we describe computational tools that permit the evaluation of multi-loop scattering amplitudes in N=8 supergravity, in terms of amplitudes in N=4 super-Yang-Mills theory. We also discuss the remarkable ultraviolet behavior of N=8 supergravity, which follows from these amplitudes, and is as good as that of N=4 super-Yang-Mills theory through at least four loops.

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