Exact vector multipole and vortex solitons in the media with spatially modulated cubic–quintic nonlinearity

被引：4
|
作者：
Yue-Yue Wang
Liang Chen
Chao-Qing Dai
Jun Zheng
Yan Fan
机构：
[1] Zhejiang A&F University,School of Sciences
来源：
Nonlinear Dynamics | 2017年 / 90卷
关键词：
Vector multipole solitons; Vector vortex solitons; Cubic–quintic nonlinearity; Spatially modulated nonlinearity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A (2+1)-dimensional N-coupled nonlinear Schrödinger equation with spatially modulated cubic–quintic nonlinearity and transverse modulation is studied, and vector multipole and vortex soliton solutions are analytically obtained. When the modulation depth q is chosen as 0 and 1, vector multipole and vortex solitons are constructed, respectively. The number of “petals” for the multipole solitons and vortex solitons is related to the value of the topological charge m, and the number of layers in the multipole solitons and vortex solitons is determined by the value of the soliton order number n.
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收藏
页码：1269 / 1275
页数：6
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