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Quantum Group Analysis of the Bound States in the Strong Coupling Regime of the Modified Sine-Gordon Model

Sergei V. Pokrovsky
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Abstract

A quantum group analysis is applied to the Sine-Gordon model (or may be its version) in a strong-coupling regime. Infinitely many bound states are found together with the corresponding S-matrices. These new solutions of the Yang-Baxter eqations are related to some reducible representations of the quantum $sl(2)$ algebra resembling the Kac-Moody algebra representations in the Wess-Zumino-Witten-Novikov conformal field theory.

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Sergei V. Pokrovsky. 1992-03-27. Quantum Group Analysis of the Bound States in the Strong Coupling Regime of the Modified Sine-Gordon Model. https://arxiv.org/abs/hep-th/9203073

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