University of Cambridge > Talks.cam > Part III Seminars > The Spinor-Helicity Formalism and the Uniqueness of Yang-Mills Theory.

The Spinor-Helicity Formalism and the Uniqueness of Yang-Mills Theory.

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  • UserEmmet Byrne
  • ClockThursday 15 March 2018, 15:40-16:30
  • HouseMR3.

If you have a question about this talk, please contact Loren E. Held.

I would like to introduce the spinor-helicity formalism for massless particles, which drastically simplifies the calculation of their scattering amplitudes. I will then discuss some of the physical significance of the appearance of poles in amplitudes. A combination of these ideas will lead us to the conclusion that a theory with interacting massless spin-1 particles must be based on a Lie algebra.

This talk is part of the Part III Seminars series.

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