An introduction to the covariant quantization of superstrings

  title={An introduction to the covariant quantization of superstrings},
  author={P. Grassi and G. Policastro and P. Nieuwenhuizen},
  journal={Classical and Quantum Gravity},
  • P. Grassi, G. Policastro, P. Nieuwenhuizen
  • Published 2003
  • Physics
  • Classical and Quantum Gravity
  • We give an introduction to a new approach to the covariant quantization of superstrings. After a brief review of the classical Green–Schwarz superstring and Berkovits' approach to its quantization based on pure spinors, we discuss our covariant formulation without pure spinor constraints. We discuss the relation between the concept of grading, which we introduced to define vertex operators, and homological perturbation theory, and we compare our work with recent work by others. In the… CONTINUE READING
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