Amplitudes and Ultraviolet Behavior of N = 8 Supergravity ∗

  title={Amplitudes and Ultraviolet Behavior of N = 8 Supergravity ∗},
  author={Z. Bern and J. Carrasco and L. Dixon and H. Johansson and R. Roiban},
  journal={Protein Science},
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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