Abstract
We study the Feigin-Fuchs representation of the Kazama-Suzuki N = 2 coset model CP n = SU( n + 1)/SU( n) × U(1). The chiral algebra of this model is the N = 2 super W-algebra obtained from the quantum super Miura transformation associated with the Lie superalgebra A( n, n − 1). We construct screening operators, which commute with the W algebra, and investigate the null field structure of the model. We also study the chiral ring structure of the N = 2 CP n model using the free field realization.
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