The momentum amplituhedron of SYM and ABJM from twistor-string maps

Song He, Chia-Kai Kuo, Yao-Qi Zhang

We study remarkable connections between twistor-string formulas for tree amplitudes in $\mathcal{N}=4$ SYM and $\mathcal{N}=6$ ABJM, and the corresponding momentum amplituhedron in the k…