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paper

The Lagrangian origin of MHV rules

arXiv:hep-th/0511264 · doi:10.1088/1126-6708/2006/03/037

Abstract

We construct a canonical transformation that takes the usual Yang-Mills action into one whose Feynman diagram expansion generates the MHV rules. The off-shell continuation appears as a natural consequence of using light-front quantisation surfaces. The construction extends to include massless fermions.