Explaining the Pure Spinor Formalism for the Superstring

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dc.creatorBerkovits, Nathan
dc.date2007-12-03
dc.date2007-12-18
dc.date.accessioned2026-07-07T11:13:31Z
dc.date.available2026-07-07T11:13:31Z
dc.descriptionAfter adding a pair of non-minimal fields and performing a similarity transformation, the BRST operator in the pure spinor formalism is expressed as a conventional-looking BRST operator involving the Virasoro constraint and (b,c) ghosts, together with 12 fermionic constraints. This BRST operator can be obtained by gauge-fixing the Green-Schwarz superstring where the 8 first-class and 8 second-class Green-Schwarz constraints are combined into 12 first-class constraints. Alternatively, the pure spinor BRST operator can be obtained from the RNS formalism by twisting the ten spin-half RNS fermions into five spin-one and five spin-zero fermions, and using the SO(10)/U(5) pure spinor variables to parameterize the different ways of twisting. GSO(-) vertex operators in the pure spinor formalism are constructed using spin fields and picture-changing operators in a manner analogous to Ramond vertex operators in the RNS formalism.
dc.descriptionAdded two footnotes and references to Baulieu et al
dc.identifierhttps://arxiv.org/abs/0712.0324
dc.identifierhttp://arxiv.org/abs/0712.0324
dc.identifierJHEP0801:065,2008
dc.identifierdoi:10.1088/1126-6708/2008/01/065
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191745
dc.subjectHigh Energy Physics - Theory
dc.titleExplaining the Pure Spinor Formalism for the Superstring
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