Article ID Journal Published Year Pages File Type
1868473 Physics Letters A 2006 4 Pages PDF
Abstract
A direct approach of perturbation theory for the nonlinear Schrödinger equation is developed based on the separation of variables. The first-order effects of perturbation on a kink soliton, showing the slow time dependence of soliton parameters and the first-order correction.
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Related Topics
Physical Sciences and Engineering Physics and Astronomy Physics and Astronomy (General)
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Direct approach of perturbation theory for kink solitons
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