FACTORIZABLE S MATRICES FOR PERTURBED W-INVARIANT THEORIES

30 July 1991

journal article
Published by World Scientific Pub Co Pte Ltd in International Journal of Modern Physics A

Vol. 6 (18) , 3221-3234
https://doi.org/10.1142/s0217751x91001568

Abstract

-invariant conformal field theories admit perturbations preserving integrability and leading to massive quantum field theories. The unitary and crossing-invariant S matrices of such QFTs are explicitly constructed by restricting the SL(n, q)-symmetric solutions of the Yang-Baxter equations when q^n+k=1. These scattering theories possess level-rank duality (n↔k).

Keywords

SCATTERING THEORY
YANG BAXTER EQUATION
INVARIANT THEORY
QUANTUM FIELD THEORY
CONFORMAL FIELD THEORY

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