Breather solutions of the nonlocal nonlinear self-focusing Schrodinger equation

被引：25
|
作者：
Zhong, Wei-Ping [1 ]
Yang, Zhengping [2 ]
Belic, Milivoj [3 ]
Zhong, WenYe [4 ]
机构：
[1] Shunde Polytech, Dept Elect Engn, Shunde 528300, Guangdong, Peoples R China
[2] Shunde Polytech, Dept Med Sci, Shunde 528300, Guangdong, Peoples R China
[3] Texas A&M Univ Qatar, Doha 23874, Qatar
[4] Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Peoples R China
来源：
PHYSICS LETTERS A | 2021年 / 395卷
关键词：
Nonlocal nonlinear Schrodinger equation; Breather; The Hirota bilinear method;
D O I：
10.1016/j.physleta.2021.127228
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The first- and second-order breather solutions of the self-focusing nonlocal nonlinear Schrodinger (NNLS) equation are obtained by employing Hirota's bilinear method. The NNSE also happens to be an example of Schrodinger equation with parity-time (PT) symmetry. With the help of recurrence relations in the Hirota bilinear form, the nth-order breather solutions on the nonzero background of the NNLS equation are obtained, and the collision, superposition and separation of transmission modes is studied respectively. When the parameters describing these breathers are selected as some special values, they display plentiful spatial structures which provide effective methods for controlling the localized optical waves in nonlocal nonlinear media. (C) 2021 Elsevier B.V. All rights reserved.
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页数：7
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