Breathers and rogue waves in a ferromagnetic thin film with the Dzyaloshinskii-Moriya interaction

被引：18

作者：

Deng, Zhi-Hao ^{[1
]}

Wu, Tianle ^{[1
]}

Tang, Bing ^{[1
]}

Wang, Xiao-Yun ^{[1
]}

Zhao, He-Ping ^{[1
]}

Deng, Ke ^{[1
]}

机构：

[1] Jishou Univ, Coll Phys Mech & Elect Engn, Jishou 416000, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL PLUS | 2018年 / 133卷 / 11期

基金：

中国国家自然科学基金;

关键词：

SPIN CHAIN; DYNAMICS; SOLITON; EXCITATIONS; EQUATIONS;

D O I：

10.1140/epjp/i2018-12311-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a theoretical research on nonlinear localized excitations in a ferromagnetic thin film with an interfacial Dzyaloshinskii-Moriya interaction. Employing the Generalized Darboux transformation, analytical forms for magnetic breathers and the first- to third-order rogue wave solutions are exactly constructed. It is found that the introduction of the Dzyaloshinskii-Moriya interaction may lead to a reverse effect of the propagation direction of the magnetic breather, and varying the value of the Dzyaloshinskii-Moriya interaction parameter can change the velocity of the magnetic breather. Furthermore, our results display that first- to third-order magnetic rogue waves will rotate clockwise as the intensity of the Dzyaloshinskii-Moriya interaction increases.

引用

页数：14

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