Type II strings are Exceptional

  title={Type II strings are Exceptional},
  author={Alex S. Arvanitakis and C. Blair},
  • Alex S. Arvanitakis, C. Blair
  • Published 2017
  • Physics
  • We construct the exceptional sigma model: a two-dimensional sigma model coupled to a supergravity background in a manifestly (formally) ED(D)-covariant manner. This formulation of the background is provided by Exceptional Field Theory (EFT), which unites the metric and form fields of supergravity in ED(D) multiplets before compactification. The realisation of the symmetries of EFT on the worldsheet uniquely fixes the Weyl-invariant Lagrangian and allows us to relate our action to the usual type… CONTINUE READING
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