Abstract
We consider the multi-Regge limit for N=4 SYM NMHV leading color amplitudes in two different formulations: the BFKL formalism for multi-Regge amplitudes in leading logarithm approximation, and superconformal N=4 SYM amplitudes. It is shown that the two approaches agree to two-loops for the 2 → 4 and 3 → 3 six-point amplitudes. Predictions are made for the multi-Regge limit of three loop 2 → 4 and 3 → 3 NMHV amplitudes, as well as a particular sub-set of two loop 2 → 2 + n NkMHV amplitudes in the multi-Regge limit in the leading logarithm approximation from the BFKL point of view.
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Lipatov, L., Prygarin, A. & Schnitzer, H.J. The Multi-Regge limit of NMHV amplitudes in N=4 SYM theory. J. High Energ. Phys. 2013, 68 (2013). https://doi.org/10.1007/JHEP01(2013)068
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DOI: https://doi.org/10.1007/JHEP01(2013)068