Relating the $b$ ghost and the vertex operators of the pure spinor superstring

Abstract

The OPE between the composite $b$ ghost and the unintegrated vertex operator for massless states of the pure spinor superstring is computed and shown to reproduce the structure of the bosonic string result. The vanishing of the double pole singularity is Lorentz gauge and the single pole is shown to be equal to the corresponding integrated vertex operator.

arXiv commentLatex, 24 pages, 1 figure. Reference added. Minor corrections

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Cited by in corpus (2)

• Tree-level amplitudes from the pure spinor superstring
• Green-Schwarz and Pure Spinor Formulations of Chiral Strings