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Global aspects of (0,2) moduli space: toric varieties and tangent bundles

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arxiv 1409.4353 v1 pith:UDOZ6AUY submitted 2014-09-15 hep-th

Ron Donagi , Zhentao Lu , Ilarion V. Melnikov This is my paper · ORCID
classification hep-th
keywords spacemodulitoricgroundparameterringtangenttheories
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We study the moduli space of A/2 half-twisted gauged linear sigma models for NEF Fano toric varieties. Focusing on toric deformations of the tangent bundle, we describe the vacuum structure of many (0,2) theories, in particular identifying loci in parameter space with spontaneous supersymmetry breaking or divergent ground ring correlators. We find that the parameter space of such an A/2 theory and its ground ring is in general a moduli stack, and we show in examples that with suitable stability conditions it is possible to obtain a simple compactification of the moduli space of smooth A/2 theories.

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  1. A proposal for nonabelian (0,2) mirrors

    hep-th 2019-08 conditional novelty 6.0 of 10

    For (0,2) gauge theories with linear diagonal E-terms, the paper proposes a Weyl-orbifolded Landau-Ginzburg mirror and shows it reproduces quantum sheaf cohomology rings and A/2 correlation functions.

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