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Conformal Invariance of (0,2) Sigma Models on Calabi-Yau Manifolds (1801.04336v2)
Published 12 Jan 2018 in hep-th
Abstract: Long ago, Nemeschansky and Sen demonstrated that the Ricci-flat metric on a Calabi-Yau manifold could be corrected, order by order in perturbation theory, to produce a conformally invariant (2,2) nonlinear sigma model. Here we extend this result to (0,2) sigma models for stable holomorphic vector bundles over Calabi-Yaus.
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