On exact solution of topological CFT models based on Kazama-Suzuki cosets

Abstract

We compute the flat coordinates on the Frobenius manifolds arising on the deformation space of Gepner $\widehat{SU}(3{)}_k$ chiral rings. The explicit form of the flat coordinates is important for exact solutions of models of topological CFT and 2d Liouville gravity. We describe the case k=3, which is of particular interest because apart from the relevant chiral fields it contains a marginal one. Whereas marginal perturbations are relevant in different contexts, their analysis requires additional care compared to the relevant perturbations.

9 pages

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Cited by in corpus (1)

• Flat structures on the deformations of Gepner chiral rings