KMS Of Academy of mathematics and systems sciences, CAS
Modulational instability and higher-order rogue waves with parameters modulation in a coupled integrable AB system via the generalized Darboux transformation | |
Wen, Xiao-Yong1,2; Yan, Zhenya1 | |
2015-12-01 | |
发表期刊 | CHAOS |
ISSN | 1054-1500 |
卷号 | 25期号:12页码:13 |
摘要 | We study higher-order rogue wave (RW) solutions of the coupled integrable dispersive AB system (also called Pedlosky system), which describes the evolution of wave-packets in a marginally stable or unstable baroclinic shear flow in geophysical fluids. We propose its continuous-wave (CW) solutions and existent conditions for their modulation instability to form the rogue waves. A new generalized N-fold Darboux transformation (DT) is proposed in terms of the Taylor series expansion for the spectral parameter in the Darboux matrix and its limit procedure and applied to the CW solutions to generate multi-rogue wave solutions of the coupled AB system, which satisfy the general compatibility condition. The dynamical behaviors of these higher-order rogue wave solutions demonstrate both strong and weak interactions by modulating parameters, in which some weak interactions can generate the abundant triangle, pentagon structures, etc. Particularly, the trajectories of motion of peaks and depressions of profiles of the first-order RWs are explicitly analyzed. The generalized DT method used in this paper can be extended to other nonlinear integrable systems. These results may be useful for understanding the corresponding rogue-wave phenomena in fluid mechanics and related fields. (C) 2015 AIP Publishing LLC. |
DOI | 10.1063/1.4937925 |
语种 | 英语 |
资助项目 | Beijing Natural Science Foundation[1153004] ; China Postdoctoral Science Foundation[2015M570161] ; NSFC[11375030] ; NSFC[61178091] |
WOS研究方向 | Mathematics ; Physics |
WOS类目 | Mathematics, Applied ; Physics, Mathematical |
WOS记录号 | WOS:000367534200015 |
出版者 | AMER INST PHYSICS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/21644 |
专题 | 系统科学研究所 |
通讯作者 | Wen, Xiao-Yong |
作者单位 | 1.Chinese Acad Sci, AMSS, Inst Syst Sci, Key Lab Math Mechanizat, Beijing 100190, Peoples R China 2.Beijing Informat Sci & Technol Univ, Sch Appl Sci, Dept Math, Beijing 100192, Peoples R China |
推荐引用方式 GB/T 7714 | Wen, Xiao-Yong,Yan, Zhenya. Modulational instability and higher-order rogue waves with parameters modulation in a coupled integrable AB system via the generalized Darboux transformation[J]. CHAOS,2015,25(12):13. |
APA | Wen, Xiao-Yong,&Yan, Zhenya.(2015).Modulational instability and higher-order rogue waves with parameters modulation in a coupled integrable AB system via the generalized Darboux transformation.CHAOS,25(12),13. |
MLA | Wen, Xiao-Yong,et al."Modulational instability and higher-order rogue waves with parameters modulation in a coupled integrable AB system via the generalized Darboux transformation".CHAOS 25.12(2015):13. |
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