ADE Singularities and Coset Models

Abstract

We consider the compactification of the IIA string to (1 + 1) dimensions on noncompact 4-folds that are ALE fibrations. Supersymmetry requires that the compactification include 4-form fluxes, and a particular class of these models has been argued by Gukov, Vafa and Witten to give rise to a set of perturbed superconformal coset models that also have a Landau… (More)

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