The sine-Gordon model in the presence of defects
arXiv:1302.2456 · doi:10.1088/1742-6596/411/1/012003
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.
arXiv comment15 pages, Latex. This is based on a talk presented by A.D. in "Integrable systems and quantum symmetries", Prague, June 2012
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