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Constructing N=2 Superconformal Algebras out of N=1 Affine Lie Algebras

José M. Figueroa-O'Farrill
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Abstract

We study the problem of constructing N=2 superconformal algebras out of an N=1 affine Lie algebra. Following a recent independent observation of Getzler and the author, we derive a simplified set of N=2 master equations, which we then proceed to solve for the case of sl(2). There is a unique construction for all noncritical values of the level, which can be identified as the Kazama-Suzuki coset associated to the hermitian symmetric space SO(3)/SO(2). We also identify the construction with a generalized parafermionic construction or, after bosonization, with a bosonic construction of the type analyzed by Kazama and Suzuki. A mild generalization of this construction can be associated to any embedding of sl(2) in G.

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José M. Figueroa-O'Farrill. 2020-10-16. Constructing N=2 Superconformal Algebras out of N=1 Affine Lie Algebras. https://arxiv.org/abs/hep-th/9308105

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