271 citations · 1.2k across the 16 of their papers we have counts for
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hep-th2016★ 30 cited
A note on connected formula for form factors
Song He, Zhengwen Liu
In this note we study the connected prescription, originally derived from Witten's twistor string theory, for tree-level form factors in super-Yang-Mills theory. The c…
hep-th2016★ 51 cited
Scattering Equations, Twistor-string Formulas and Double-soft Limits in Four Dimensions
Song He, Zhengwen Liu, Jun-Bao Wu
We study scattering equations and formulas for tree amplitudes of various theories in four dimensions, in terms of spinor helicity variables and on-shell superspace for supersymmet…