Deformed two-dimensional rogue waves in the (2+1)-dimensional Korteweg-de Vries equation

doi:10.1088/1674-1056/abd15e

中国物理B ›› 2021, Vol. 30 ›› Issue (3): 30503-.doi: 10.1088/1674-1056/abd15e

收稿日期:2020-10-12 修回日期:2020-11-29 接受日期:2020-12-08 出版日期:2021-02-22 发布日期:2021-02-22

Deformed two-dimensional rogue waves in the (2+1)-dimensional Korteweg-de Vries equation

Yulei Cao(曹玉雷)¹, Peng-Yan Hu(胡鹏彦)^2,†, Yi Cheng(程艺)³, and Jingsong He(贺劲松)¹

1 Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China; 2 College of Mathematics and Statistics, Shenzhen University, Shenzhen 518060, China; 3 School of Mathematical Sciences, University of Science and Technology of China, Hefei 230026, China

Received:2020-10-12 Revised:2020-11-29 Accepted:2020-12-08 Online:2021-02-22 Published:2021-02-22
Contact: ^†Corresponding author. E-mail: pyhu@szu.edu.cn
Supported by:
Project supported by the National Natural Scinece Foundation of China (Grant Nos. 11671219, 11871446, 12071304, and 12071451).

摘要/Abstract

Abstract: Within the (2+1)-dimensional Korteweg-de Vries equation framework, new bilinear B\"acklund transformation and Lax pair are presented based on the binary Bell polynomials and gauge transformation. By introducing an arbitrary function φ(y), a family of deformed soliton and deformed breather solutions are presented with the improved Hirota's bilinear method. By choosing the appropriate parameters, their interesting dynamic behaviors are shown in three-dimensional plots. Furthermore, novel rational solutions are generated by taking the limit of the obtained solitons. Additionally, two-dimensional (2D) rogue waves (localized in both space and time) on the soliton plane are presented, we refer to them as deformed 2D rogue waves. The obtained deformed 2D rogue waves can be viewed as a 2D analog of the Peregrine soliton on soliton plane, and its evolution process is analyzed in detail. The deformed 2D rogue wave solutions are constructed successfully, which are closely related to the arbitrary function φ(y). This new idea is also applicable to other nonlinear systems.

Key words: two-dimensional (2D) Korteweg-de Vries (KdV) equation, Bilinear method, B\"acklund transformation, Lax pair, deformed 2D rogue wave

中图分类号: (Solitons)

05.45.Yv

02.30.Jr (Partial differential equations) 02.30.Ik (Integrable systems)

. [J]. 中国物理B, 2021, 30(3): 30503-.

Yulei Cao(曹玉雷), Peng-Yan Hu(胡鹏彦), Yi Cheng(程艺), and Jingsong He(贺劲松). Deformed two-dimensional rogue waves in the (2+1)-dimensional Korteweg-de Vries equation[J]. Chin. Phys. B, 2021, 30(3): 30503-.

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Deformed two-dimensional rogue waves in the (2+1)-dimensional Korteweg-de Vries equation

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