Gluon Scattering in Deformed N=4 SYM

Details Gluon Scattering in Deformed N=4 SYM Gluon Scattering in Deformed N=4 SYM

2007-12-20

arxiv.org/abs/0712.3491v2

Phys.Lett.B662:297-301,2008

Physics

High Energy Physics

High Energy Physics - Theory

10 pages; a comment and references added

Scientific paper

10.1016/j.physletb.2008.03.019

We consider gluon and gluino scattering amplitudes in large N beta-deformed N=4 SYM with real beta. A direct inspection of the planar diagrams shows that the scattering amplitudes to all orders in perturbation theory are the same as in the undeformed N=4 SYM theory. Using the dual sigma-model description, we find the same equality at strong coupling to all orders in the sigma-model loop expansion. Finally, we show that the same analysis holds for gluon scattering amplitudes in a three-parameter deformation of planar N=4 SYM that breaks all the supersymmetry.

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