Pure spinor formalism as an N=2 topological string

@article{Berkovits2005PureSF,
  title={Pure spinor formalism as an N=2 topological string},
  author={N. Berkovits},
  journal={Journal of High Energy Physics},
  year={2005},
  volume={2005},
  pages={089-089}
}
  • N. Berkovits
  • Published 2005
  • Physics
  • Journal of High Energy Physics
  • Following suggestions of Nekrasov and Siegel, a non-minimal set of fields are added to the pure spinor formalism for the superstring. Twisted ĉ = 3 N = 2 generators are then constructed where the pure spinor BRST operator is the fermionic spin-one generator, and the formalism is interpreted as a critical topological string. Three applications of this topological string theory include the super-Poincare covariant computation of multiloop superstring amplitudes without picture-changing operators… CONTINUE READING
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