TL;DR
This paper explores various non-unitary coset conformal field theories with truly marginal couplings, extending known supergroup models to include sigma models, Toda theories, and Gross-Neveu models, revealing new theoretical connections.
Contribution
It introduces new families of non-unitary coset CFTs with truly marginal couplings, generalizing existing supergroup models to broader classes including sigma and Toda theories.
Findings
Identification of non-unitary coset CFTs with marginal couplings
Extension of supergroup WZW models to new theoretical frameworks
Connections to sigma models, Toda theories, and Gross-Neveu models
Abstract
We describe several families of non-unitary coset conformal field theories that possess truly marginal couplings. These generalize the known examples of Wess-Zumino-Witten models on supergroups such as PSU(n|n) or OSP(2n+2|2n). Our extension includes coset space sigma models, affine Toda theories or Gross-Neveu models which are believed to arise in certain limits.
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