On the BRST operator structure of the N = 2 string

Amit Giveon; Martin Roček

doi:10.1016/0550-3213(93)90401-A

On the BRST operator structure of the N = 2 string

Amit Giveon^*, Martin Roček

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The BRST operator cohomology of N = 2 two-dimensional supergravity coupled to matter is presented. Descent equations for primary superfields of the matter sector are derived. We find one copy of the cohomology at ghost number one, two independent copies at ghost number two, and conjecture that there is a copy at ghost number three. The N = 2 string has a twisted N = 4 superconformal symmetry generated by the N = 2 superstress tensor, the BRST supercurrent, the antighost superfield, and the ghost number supercurrent.

Original language	English
Pages (from-to)	145-160
Number of pages	16
Journal	Nuclear Physics B
Volume	400
Issue number	1-3
DOIs	https://doi.org/10.1016/0550-3213(93)90401-A
State	Published - 12 Jul 1993

Bibliographical note

Funding Information:
Stony Brook, where part of this work was done, for its warm hospitality. This work was supported in part by NSF grants Nos. PHY89-04035 and PHY92-11367, as well as the John Simon Guggenheim Foundation.

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AB - The BRST operator cohomology of N = 2 two-dimensional supergravity coupled to matter is presented. Descent equations for primary superfields of the matter sector are derived. We find one copy of the cohomology at ghost number one, two independent copies at ghost number two, and conjecture that there is a copy at ghost number three. The N = 2 string has a twisted N = 4 superconformal symmetry generated by the N = 2 superstress tensor, the BRST supercurrent, the antighost superfield, and the ghost number supercurrent.

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On the BRST operator structure of the N = 2 string

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