Null Polygonal Wilson Loops in Full N=4 Superspace

Understand

We compute the one-loop expectation value of light-like polygonal Wilson loops in N=4 super-Yang-Mills theory in full superspace.

• When projecting to chiral superspace we recover the known results for tree-level next-to-maximally-helicity-violating (NMHV) scattering amplitude.
• The one-loop MHV amplitude is also included in our result but there are additional terms which do not immediately correspond to scattering amplitudes.
• We finally discuss different regularizations and their Yangian anomalies.