Worldsheet instantons and (0,2) linear models
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We study the stability of heterotic compactifications described by (0,2) gauged linear sigma models with respect to worldsheet instanton corrections to the space-time superpotential following the work of Beasley and Witten . We show that generic models elude the vanishing theorem proved there, and may not determine supersymmetric heterotic vacua. We then construct a subclass of linear models for which a vanishing theorem holds, generating an extensive list of consistent heterotic backgrounds.
KeywordsSuperstrings and Heterotic Strings Superstring Vacua
- L.J. Dixon, Some world sheet properties of superstring compactifications, on orbifolds and otherwise, lectures given at the 1987 ICTP Summer Workshop in High Energy Phsyics and Cosmology, June 29–August 7, Trieste, Italy (1987).Google Scholar
- J. Distler, Notes on (0,2) superconformal field theories, hep-th/9502012.
- J. Wess and J. Bagger, Supersymmetry and supergravity, Princeton University Press, Princeton U.S.A. (1992).Google Scholar