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arXiv · hep-th/0112023

Quantum group symmetry in sine-Gordon and affine Toda field theories on the half-line

Gustav W Delius·Niall J. MacKay
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Abstract

We consider the sine-Gordon and affine Toda field theories on the half-line with classically integrable boundary conditions, and show that in the quantum theory a remnant survives of the bulk quantized affine algebra symmetry generated by non-local charges. The paper also develops a general framework for obtaining solutions of the reflection equation by solving an intertwining property for representations of certain coideal subalgebras of quantized affine algebras.

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Gustav W Delius, Niall J. MacKay. 2002-11-26. Quantum group symmetry in sine-Gordon and affine Toda field theories on the half-line. https://doi.org/10.1007/s00220-002-0758-4

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