Journal of High Energy Physics

, Volume 2015, Issue 12, pp 1–45 | Cite as

On the field-antifield (a)symmetry of the pure spinor superstring

Open Access
Regular Article - Theoretical Physics

Abstract

In this work, the DDF-like approach to the pure spinor cohomology is extended to the next ghost number level, the so called antifields. In a direct (supersymmetric) parallel to the bosonic string, some properties of the ghost number two cohomology are derived with the enlargement of the DDF algebra. Also, the DDF conjugates of the b ghost zero mode emerge naturally from the extended algebra and the physical state condition is discussed. Unlike the bosonic string case, the cohomology analysis of the pure spinor b ghost is restricted to BRST-closed states.

Keywords

Superstrings and Heterotic Strings Superspaces 

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Copyright information

© The Author(s) 2015

Authors and Affiliations

  1. 1.Institute of Physics AS CRPragueCzech Republic

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