Topological First-Order Systems with Landau-Ginzburg Interactions

Abstract

We consider the realization of N=2 superconformal models in terms of free first-order $(b,c,\beta ,\gamma )$-systems, and show that an arbitrary Landau-Ginzburg interaction with quasi-homogeneous potential can be introduced without spoiling the (2,2)-superconformal invariance. We discuss the topological twisting and the renormalization group properties of these theories, and compare them to the conventional topological Landau-Ginzburg models. We show that in our formulation the parameters multiplying deformation terms in the potential are flat coordinates. After properly bosonizing the first-order systems, we are able to make explicit calculations of topological correlation functions as power series in these flat coordinates by using standard Coulomb gas techniques. We retrieve known results for the minimal models and for the torus.

37 pages

References in corpus (1)

• Flat Holomorphic Connections and Picard-Fuchs Identities From $N=2$ Supergravity

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