BRST analysis of N=2 superconformal minimal unitary models in Coulomb gas formalism
Katsuyuki Sugiyama
Abstract
We perform a BRST analysis of the N=2 superconformal minimal unitary models. A bosonic as well as fermionic BRST operators are used to construct irreducible representations of the N=2 superconformal algebra on the Fock space as BRST cohomology classes of the BRST operators. Also a character formula is rederived by using the BRST analysis.
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