Quasi-Particles, Conformal Field Theory, and $q$-Series

Abstract

We review recent results concerning the representation of conformal field theory characters in terms of fermionic quasi-particle excitations, and describe in detail their construction in the case of the integrable three-state Potts chain. These fermionic representations are $q$-series which are generalizations of the sums occurring in the Rogers-Ramanujan identities. (To appear in the proceedings of ``Yang-Baxter Equations in Paris'', July 1992, J.-M.~Maillard (ed.).)

32/19 pages in harvmac, preprint ITP-SB-93-12/RU-93-07

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