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- Title
DARBOUX TRANSFORMATION AND MULTI-SOLITON SOLUTIONS OF TWO-BOSON HIERARCHY.
- Authors
DAS, ASHOK; SALEEM, U.
- Abstract
We study Darboux transformations for the two boson (TB) hierarchy both in the scalar as well as in the matrix descriptions of the linear equation. While Darboux transformations have been extensively studied for integrable models based on SL(2, R) within the AKNS framework, this model is based on SL(2, R)⊗U(1). The connection between the scalar and the matrix descriptions in this case implies that the generic Darboux matrix for the TB hierarchy has a different structure from that in the models based on SL(2, R) studied thus far. The conventional Darboux transformation is shown to be quite restricted in this model. We construct a modified Darboux transformation which has a much richer structure and which also allows for multi-soliton solutions to be written in terms of Wronskians. Using the modified Darboux transformations, we explicitly construct one-soliton/kink solutions for the model.
- Subjects
DARBOUX transformations; SOLITONS; MATRICES (Mathematics); LINEAR systems; BOSONS; NUCLEAR physics
- Publication
Modern Physics Letters A, 2011, Vol 26, Issue 9, p625
- ISSN
0217-7323
- Publication type
Article
- DOI
10.1142/S0217732311035249