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The sine-Gordon model in the presence of defects (1302.2456v1)
Published 11 Feb 2013 in hep-th, math-ph, math.MP, and nlin.SI
Abstract: The sine-Gordon model in the presence of dynamical integrable defects is investigated. This is an application of the algebraic formulation introduced for integrable defects in earlier works. The quantities in involution as well as the associated Lax pairs are explicitly extracted. Integrability i also shown using certain sewing constraints, which emerge as suitable continuity conditions.
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