No N=4 strings on Wolf spaces

S. James Gates, Sergei V. Ketov

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

We generalize the standard N=2 supersymmetric Kazama-Suzuki coset construction to the N=4 case by requiring the nonlinear (Goddard-Schwimmer) N=4 quasisuperconformal algebra to be realized on cosets. The constraints that we find allow a very simple geometrical interpretation and have the Wolf spaces as their natural solutions. Our results obtained by using component-level superconformal field theory methods are fully consistent with standard results about N=4 supersymmetric two-dimensional nonlinear σ models and N=4 WZWN models on Wolf spaces. We construct the actions for the latter and express the quaternionic structure, appearing in the N=4 coset solution, in terms of the symplectic structure associated with the underlying Freudenthal triple system. Next, we gauge the N=4 QSCA and build a quantum BRST charge for the N=4 string propagating on a Wolf space. Surprisingly, the BRST charge nilpotency conditions rule out the nontrivial Wolf spaces as consistent string backgrounds.

Original languageEnglish
Pages (from-to)2278-2293
Number of pages16
JournalPhysical Review D
Volume52
Issue number4
DOIs
Publication statusPublished - 1995

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No N=4 strings on Wolf spaces. / Gates, S. James; Ketov, Sergei V.

In: Physical Review D, Vol. 52, No. 4, 1995, p. 2278-2293.

Research output: Contribution to journalArticle

Gates, S. James ; Ketov, Sergei V. / No N=4 strings on Wolf spaces. In: Physical Review D. 1995 ; Vol. 52, No. 4. pp. 2278-2293.
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