Lattice regularization of massive and massless integrable field theories

Abstract

We show that integrable vertex and RSOS models with trigonometric Boltzmann weights and appropriate inhomogeneities provide a convenient lattice regularization for massive field theories and for the recently studied massless field theories that interpolate between two non trivial conformal field theories. Massive and massless S matrices are computed from the lattice Bethe ansatz.

25 pages

References in corpus (1)

• N=2 Supersymmetry, Painleve III and Exact Scaling Functions in 2D Polymers

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