Theoretical study of dark solitons in media with competing nonlocal nonlinearities and local quintic nonlinearity

被引：17
|
作者：
Zhou, Qin [1 ,2 ]
Zhu, Qiuping [1 ]
机构：
[1] Wuhan Donghu Univ, Sch Elect & Informat Engn, Wuhan, Peoples R China
[2] Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Peoples R China
来源：
JOURNAL OF MODERN OPTICS | 2014年 / 61卷 / 18期
关键词：
dark soliton; nonlocal nonlinearities; local quintic nonlinearity; variational principle; competing nonlocality; OPTICAL SOLITONS; SCHRODINGERS EQUATION; PERTURBATION; BRIGHT; FIBERS;
D O I：
10.1080/09500340.2014.941429
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Dark solitons, in a medium with competing nonlocal nonlinearities and local quintic nonlinearity, have been studied analytically in this paper. The phenomenological rectangular profile model for nonlocal response function is considered. The exact conditions for the existence of analytical dark soliton solutions are presented using variational principle. The influence of strengths and degrees of competing nonlocality as well as the strength of quintic locality, on the properties of dark solitons, are discussed.
引用
收藏
页码：1465 / 1469
页数：5
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