Worldsheet factorization for twistor-strings
Worldsheet factorization for twistor-strings
We study the multiparticle factorization properties of two worldsheet theories which — at tree-level — describe the scattering of massless particles in four dimensions: the Berkovits-Witten twistor-string for $ \mathcal{N} $ = 4 super-Yang-Mills coupled to $ \mathcal{N} $ = 4 conformal supergravity, and the Skinner twistor-string for $ \mathcal{N} …