Wide vector solitons in systems with time- and space-modulated nonlinearities
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2013-11-08
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In this work we apply point canonical transformations to solve some classes of two coupled nonautonomous nonlinear Schrödinger equations with specific cubic and quintic - time- and space-dependent - nonlinearities. The method applied here allows us to find a class of wide localized (in space) vector soliton solutions of nonautonomous nonlinear Schrödinger equations. The vector solitons found here can be applied to theoretical studies of Bose-condensed atoms in two different internal states and of ultrashort pulse propagation in optical fibers with focusing and defocusing nonlinearities. © 2013 American Physical Society.
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Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, v. 88, n. 5, 2013.