Yang-Mills Chern-Simons Corrections From the Pure Spinor Superstring

preprint2008arXivOpen access

Abstract

Nilpotency of the pure spinor BRST operator in a curved background implies superspace equations of motion for the background. By computing one-loop corrections to nilpotency for the heterotic sigma model, the Yang-Mills Chern-Simons corrections to the background are derived.

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