Abstract
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 [1]. 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.
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ArXiv ePrint: 1410.4541
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Bertolini, M., Plesser, M.R. Worldsheet instantons and (0,2) linear models. J. High Energ. Phys. 2015, 81 (2015). https://doi.org/10.1007/JHEP08(2015)081
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DOI: https://doi.org/10.1007/JHEP08(2015)081