2007

Heterotic twistor-string theory

Mason, Lionel, Skinner, David

Understand

We reformulate twistor-string theory as a heterotic string based on a twisted (0,2) model.

  • The path integral localizes on holomorphic maps, while the (0,2) moduli naturally correspond to the states of N=4 super Yang-Mills and conformal supergravity under the Penrose transform.
  • We show how the standard twistor-string formulae of scattering amplitudes as integrals over the space of curves in supertwistor space may be obtained from our model.
  • The corresponding string field theory gives rise to a twistor action for N=4 conformal supergravity coupled to super Yang-Mills.

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