N-solitons on a vortex filament |
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Authors: | D Levi A Sym S Wojciechowski |
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Institution: | 1. Institute of Theoretical Physics of Warsaw University, ul. Ho?a 69, 00-681 Warsaw, Poland;2. Istituto di Fisica dell''Università di Roma “La Sapienza”, Rome, Italy;3. Istituto Nazionale di Fisica Nucleare, Sezione di Roma, Roma, Italy |
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Abstract: | We describe a purely algebraic algorithm for finding, in the localized induction approach, three-dimensional vortex motion corresponding to the N-soliton solution of the nonlinear Schrödinger equation. The method used relies essentially up-on the geometric approach to soliton systems and consists in the construction of the corresponding soliton surfaces. For N = 0 and N = 1 we recover the straight line and Hasimoto vortex, respectively, while for N = 2 the algorithm gives a new vortex motion, of higher complexity, which is, presumably, an analytic expression for some scattering phenomena along vortices recently discovered by Browand and Hopfinger. |
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