Note About Redefinition of BRST Operator for Pure Spinor String in General Background

TL;DR

This paper extends Berkovits' analysis of the BRST operator redefinition from classical mechanics to the pure spinor string in arbitrary backgrounds, aiming to improve understanding of string quantization.

Contribution

It introduces a generalized redefinition of the BRST operator for pure spinor strings in diverse backgrounds, expanding previous work limited to specific cases.

Findings

Extended the BRST redefinition to general backgrounds

Provided a framework for pure spinor string quantization in complex settings

Clarified the role of background fields in BRST symmetry

Abstract

We discuss an analysis presented by N. Berkovits in [arXiv:0712.0324] in the context of classical mechanics and perform its extension to the case of pure spinor string in general background.