Abstract
The general fluctuations, in the form of vertex operators, for the heterotic superstring in the pure spinor formalism are considered. The case of a flat background is reviewed and the case of a curved case is studied. The left-moving ghosts are pure spinors and the right-moving ghosts come from fixing the reparametrization invariance. The role of the reparametrization ghosts in the construction of the vertex operators is emphasized.
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ArXiv ePrint: 1812.05124
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Chandia, O. General fluctuations of the heterotic pure spinor string on curved backgrounds. J. High Energ. Phys. 2019, 116 (2019). https://doi.org/10.1007/JHEP02(2019)116
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DOI: https://doi.org/10.1007/JHEP02(2019)116