Phase Modulated Domain Walls And Dark Solitons For Surface Gravity Waves
PHYSICS LETTERS A(2021)
摘要
We report theoretical prediction of localized solutions for dynamics of surface gravity waves, at the critical point kh approximate to 1.363, modelled by higher-order nonlinear Schrodinger equation. The model possesses domain walls (kink solitons) and dark solitons modulated through different phase profiles. The parametric domains are delineated for the existence of soliton solutions. The effects of wave parameters have been discussed on the amplitude of surface gravity waves. Our work is motivated by Tsitoura et al. [1], on experimental and analytical observation of phase domain walls for deep water surface gravity waves modelled by nonlinear Schrodinger equation. (C) 2021 Elsevier B.V. All rights reserved.
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关键词
Domain walls, Rational solution, Surface gravity waves, Higher-order nonlinear Schrodinger equation
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