N=4 Super-Yang-Mills Theory, QCD and Collider Physics

Abstract

We review how (dimensionally regulated) scattering amplitudes in N=4 super-Yang-Mills theory provide a useful testing ground for perturbative QCD calculations relevant to collider physics, as well as another avenue for investigating the AdS/CFT correspondence. We describe the iterative relation for two-loop scattering amplitudes in N=4 super-Yang-Mills theory found in C. Anastasiou et al., Phys. Rev. Lett. 91:251602 (2003), and discuss recent progress toward extending it to three loops.

17 pages, 9 figures. Talk presented by LD at Strings 2004

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• Analyticity for Multi-Regge Limits of the Bern-Dixon-Smirnov Amplitudes
• Two-loop $\mathcal{N}=2$ SQCD amplitudes with external matter from iterated cuts
• Quark scattering amplitudes at strong coupling
• Comments on gluon 6-point scattering amplitudes in N=4 SYM at strong coupling
• Classifying post-Minkowskian geometries for gravitational waves via loop-by-loop Baikov
• Inclusive Production Through AdS/CFT
• Hawking-Page transition on a spin chain