Supersymmetric S-matrices from the worldsheet in 10 and 11d


Geyer, Y
Mason, L

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We obtain compact formulae for tree super-amplitudes for 10 and
11-dimensional supergravity and 10-dimensional supersymmetric Yang-Mills and
Born-Infeld. These are based on the \emph{polarised scattering equations}.
These incorporate polarization data into a spinor field on the Riemann sphere
and arise from a twistorial representation of ambitwistor strings in 10 and 11
dimensions. They naturally extend amplitude formulae to manifest maximal
supersymmetry. The framework is the natural generalization of twistorial
ambitwistor string formulae found previously in four and six dimensions and is
informally motivated from a vertex operator prescription for a family of
supersymmetric worldsheet ambitwistor string models.

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Journal Article