Scattering on the Moduli Space of N=4 Super Yang-Mills

Details Scattering on the Moduli Space of N=4 Super Yang-Mills Scattering on the Moduli Space of N=4 Super Yang-Mills

2008-01-10

arxiv.org/abs/0801.1542v1

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, 5 figures

Scientific paper

We calculate one-loop scattering amplitudes in N=4 super Yang-Mills theory away from the origin of the moduli space and demonstrate that the results are extremely simple, in much the same way as in the conformally invariant theory. Specifically, we consider the model where an SU(2) gauge group is spontaneously broken down to U(1). The complete component Lagrange density of the model is given in a form useful for perturbative calculations. We argue that the scattering amplitudes with massive external states deserve further study. Finally, our work shows that loop corrections can be readily computed in a mass-regulated N=4 theory, which may be relevant in trying to connect weak-coupling results with those at strong coupling, as discussed recently by Alday and Maldacena.

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