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arXiv · 1910.04791

The non-minimal type II pure spinor string in a curved background

Osvaldo Chandia
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Abstract

The pure spinor superstring in a type II curved background is considered. In order to define reparametrization ghosts, non-minimal pure spinor variables have to be present in the formalism. The BRST transformations of the non-minimal variables are obtained. It is found that the BRST transformations of a set of world-sheet variables have the form of the corresponding transformations in flat spacetime, up to a field-dependent Lorentz rotation. This simplify the construction of the reparametrization $b$ ghosts.

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Osvaldo Chandia. 2019-10-10. The non-minimal type II pure spinor string in a curved background. https://arxiv.org/abs/1910.04791

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