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Stability of Solitary Waves for a Generalized Derivative Nonlinear Schr\"odinger Equation
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Stability of Solitary Waves for a Generalized Derivative Nonlinear Schr\"odinger Equation

Xiao Liu, Gideon Simpson and Catherine Sulem
15 Jun 2012
url
https://doi.org/10.48550/arxiv.1206.3502View
Preprint (Author's original)arXiv.org - Non-exclusive license to distribute Open

Abstract

We consider a derivative nonlinear Schr\"odinger equation with a general nonlinearity. This equation has a two parameter family of solitary wave solutions. We prove orbital stability/instability results that depend on the strength of the nonlinearity and, in some instances, their velocity. We illustrate these results with numerical simulations.

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