Gauge Theory Amplitudes, Scalar Graphs and Twistor Space

  • VALENTIN V. KHOZE, Valentin V. Khoze
  • Published 2008


We discuss a remarkable new approach initiated by Cachazo, Svrcek and Witten for calculating gauge theory amplitudes. The formalism amounts to an effective scalar perturbation theory which in many cases offers a much simpler alternative to the usual Feynman diagrams for deriving n-point amplitudes in gauge theory. At tree level the formalism works in a… (More)


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