Vortex and multipole coupled solitons in the spatially modulated cubic-quintic-septimal nonlinear material

被引：2

作者：

Chen, Yi-Xiang ^{[1
]}

机构：

[1] Zhejiang Univ Media & Commun, Sch Elect Informat, Hangzhou 310018, Zhejiang, Peoples R China

来源：

COMPUTERS & MATHEMATICS WITH APPLICATIONS | 2018年 / 76卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Vector multipole-multipole soliton; Vector vortex-vortex soliton; Scalar vortex soliton; Spatially modulated cubic-quintic-septimal nonlinearity; Nonlinear Schrodinger equation; VARIABLE SEPARATION SOLUTIONS; SCHRODINGER-EQUATION; VECTOR MULTIPOLE; MEDIA; RECONSTRUCTION; SIMILARITONS; DISCUSSIONS; STABILITY; DYNAMICS; BRIGHT;

D O I：

10.1016/j.camwa.2018.08.010

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

A (2+1)-dimensional N-coupled cubic-quintic-septimal nonlinear Schrodinger equation with spatial distribution of nonlinearity and transverse modulation describes beam propagation of mutually incoherent components with different frequencies in cubic-quinticseptimal nonlinear material. From this equation with two-component case, coupled soliton solutions are analytically obtained. When the value of the modulation depth q is fixed as 0 and 1, vector multipole-multipole soliton, vector vortex-vortex soliton and scalar vortex soliton are found. When the soliton order number p adds, vector solitons all show the layer structures. The number of layer is decided by the value of p. The "petals" number of multipole solitons is determined by the value of the topological charge m. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：2119 / 2128

页数：10

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