Amplitudes and Ultraviolet Behavior of N=8 Supergravity

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...

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Detalles Bibliográficos
Autores principales: Bern, Zvi, Carrasco, John Joseph, Dixon, Lance J., Johansson, Henrik, Roiban, Radu
Lenguaje:eng
Publicado: 2011
Materias:
Particle Physics - Theory
Acceso en línea:https://dx.doi.org/10.1002/prop.201100037
http://cds.cern.ch/record/1335062
Descripción
Sumario: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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