BRST cohomology ring in 2D gravity coupled to minimal models

1992/07/23 by H. Kanno, M. H. Sarmadi
Physics and Astronomy · #hep-th

paper · pdf

published as Int. J. Mod. Phys. A9 (1994) 39 · 19 pages IC/92/150

arxiv created 1992/07/23 · arxiv updated 2009/11/30

Abstract

The ring structure of Lian-Zuckerman states for (q,p) minimal models coupled to gravity is shown to be \cal R=\cal R₀⊗ \bf C [w,w^-1] where \cal R₀ is the ring of ghost number zero operators generated by two elements and w is an operator of ghost number -1. Some examples are discussed in detail. For these models the currents are also discussed and their algebra is shown to contain the Virasoro algebra.

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