Some computations in background-independent off-shell string theory.

  title={Some computations in background-independent off-shell string theory.},
  journal={Physical review. D, Particles and fields},
  volume={47 8},
  • Witten
  • Published 1993 in Physical review. D, Particles and fields
Recently, background independent open-string field theory has been formally defined in the space of all two-dimensional world-sheet theories. In this paper, to make the construction more concrete, I compute the action for an off-shell tachyon field of a certain simple type. From the computation it emerges that, although the string field action does not coincide with the world-sheet (matter) partition function in general, these functions do coincide on shell. This can be demonstrated in general… CONTINUE READING
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