Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2001-08-13
EuroPhysics Journal B29 (2002) 197
Nonlinear Sciences
Exactly Solvable and Integrable Systems
EPJ LaTeX Style, 4 pages, minor typos corrected and references added Talk at "Geometry, Integrability and Nonlinearity in Cond
Scientific paper
10.1140/epjb/e2002-00285-7
The recently proposed supersymmetric extensions of reduced Kadomtsev-Petviashvili (KP) integrable hierarchies in $N =1,2$ superspace are shown to contain in the purely bosonic limit new types of ordinary non-supersymmetric integrable systems. The latter are coupled systems of several multi-component non-linear Schr{\"o}dinger-like hierarchies whose basic nonlinear evolution equations contain additional quintic and higher-derivative nonlinear terms. Also, we obtain the N=2 supersymmetric extension of Toda chain model as Darboux-B{\"a}cklund orbit of the simplest reduced N=2 super-KP hierarchy and find its explicit solution.
Nissimov Emil
Pacheva Svetlana
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