Gustav W Delius, Niall J. MacKay
Published 2001-12-04, updated 2002-11-26Version 3
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.
Comments: AMSLatex, 20 pages. Typos corrected and reference added. To appear in Commun. Math. Phys
Journal: Commun.Math.Phys. 233 (2003) 173-190
Quantum group symmetry of integrable models on the half-line
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