Self-Dual Supergravity from N=2 Strings

Details Self-Dual Supergravity from N=2 Strings Self-Dual Supergravity from N=2 Strings

1997-04-04

arxiv.org/abs/hep-th/9704040v3

Nucl.Phys. B500 (1997) 192-223

Physics

High Energy Physics

High Energy Physics - Theory

32 pages, Latex, discussion in pages 10, 11 revised so that it is compatible with the complex structure chosen in Appendix A.

Scientific paper

10.1016/S0550-3213(97)00398-2

A new heterotic N=2 string with manifest target space supersymmetry is constructed by combining a conventional N=2 string in the right-moving sector and a Green-Schwarz-Berkovits type string in the left-moving sector. The corresponding sigma model is then obtained by turning on background fields for the massless excitations. We compute the beta functions and we partially check the OPE's of the superconformal algebra perturbatively in $\alpha'$, all in superspace. The resulting field equations describe N=1 self-dual supergravity.

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