Half-Twisted (0,2) Landau-Ginzburg Models
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We compute correlators of chiral operators in (0,2) supersymmetric Landau-Ginzburg theories. The class of theories and the correlators we study are relevant for extending and testing mirror symmetry away from the (2,2) locus. More generally, these methods provide alpha'-exact results about certain superpotential couplings in compactifications of the heterotic string.
20 pages; typos corrected; reference added; published version
20 pages; typos corrected; reference added; published version