ROGUE WAVE STRUCTURE AND FORMATION MECHANISM IN THE COUPLED NONLINEAR SCHRODINGER EQUATIONS

被引：0
|
作者：
Li, Zaidong [1 ,2 ]
Wei, Hongchen [2 ]
He, Pengbin [3 ]
机构：
[1] Tianjin Univ Technol, Sch Sci, Tianjin 300384, Peoples R China
[2] Hebei Univ Technol, Dept Appl Phys, Tianjin 300401, Peoples R China
[3] Hunan Univ, Sch Phys & Elect, Changsha 410082, Hunan, Peoples R China
来源：
ROMANIAN REPORTS IN PHYSICS | 2019年 / 71卷 / 04期
基金：
中国国家自然科学基金;
关键词：
rogue wave; coupled nonlinear Schrodinger equations; formation mechanism; non-uniform energy exchange rate; SOLITON; OSCILLATIONS; INSTABILITY;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By using the method of Darboux transformation, we solve the coupled nonlinear Schrodinger equations and obtain different types of exact rogue wave solutions. By adjusting the parameters of the dynamical model, we get a variety of rogue wave structures, namely bright, dark, and eye-shaped rogue waves. Also, their key characteristics are discussed in detail. We find that the non-uniform exchange rate of energy between the rogue wave and the continuous wave background can be adequately used to describe the formation mechanism of rogue waves in the coupled nonlinear Schrodinger equations.
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页数：15
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