Bifurcation, Traveling Wave Solutions and Dynamical Analysis in the $$(2+1)$$ -Dimensional Extended Vakhnenko–Parkes Equation

IF 1.4 4区 物理与天体物理 Q2 MATHEMATICS, APPLIED Journal of Nonlinear Mathematical Physics Pub Date : 2024-06-04 DOI:10.1007/s44198-024-00202-3
Yan Sun, Juan-Juan Wu, Xiao-Yong Wen
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Abstract

This paper is concerned with the bifurcation of the traveling wave solutions, as well as the dynamical behaviors and physical property of the soliton solutions of the (2+1)-dimensional extended Vakhnenko–Parkes (eVP) equation. Firstly, based on the traveling wave transformation, the planar dynamical system corresponding to the (2+1)-dimensional eVP equation is derived, and then the singularity type and trajectory map of this system are obtained and analyzed. Based on the bifurcation of this system, the analytical expression for the periodic wave solution is given and shown graphically. Secondly, the N-soliton solutions are obtained via the bilinear method, and some important physical quantities and asymptotic analysis of one-soliton and two-soliton solutions are discussed. The results obtained in this paper might be useful for understanding the propagation of high-frequency waves.

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$$(2+1)$$维扩展瓦赫年科-帕克斯方程中的分岔、游波解和动力学分析
本文主要研究(2+1)维扩展 Vakhnenko-Parkes (eVP)方程行波解的分岔以及孤子解的动力学行为和物理特性。首先,基于行波变换推导出(2+1)维 eVP 方程对应的平面动力系统,然后得到并分析了该系统的奇点类型和轨迹图。在该系统分岔的基础上,给出了周期波解的解析表达式,并以图形表示。其次,通过双线性方法得到了 N 个孤立子解,并讨论了单孤立子解和双孤立子解的一些重要物理量和渐近分析。本文获得的结果可能有助于理解高频波的传播。
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来源期刊
Journal of Nonlinear Mathematical Physics
Journal of Nonlinear Mathematical Physics PHYSICS, MATHEMATICAL-PHYSICS, MATHEMATICAL
CiteScore
1.60
自引率
0.00%
发文量
67
审稿时长
3 months
期刊介绍: Journal of Nonlinear Mathematical Physics (JNMP) publishes research papers on fundamental mathematical and computational methods in mathematical physics in the form of Letters, Articles, and Review Articles. Journal of Nonlinear Mathematical Physics is a mathematical journal devoted to the publication of research papers concerned with the description, solution, and applications of nonlinear problems in physics and mathematics. The main subjects are: -Nonlinear Equations of Mathematical Physics- Quantum Algebras and Integrability- Discrete Integrable Systems and Discrete Geometry- Applications of Lie Group Theory and Lie Algebras- Non-Commutative Geometry- Super Geometry and Super Integrable System- Integrability and Nonintegrability, Painleve Analysis- Inverse Scattering Method- Geometry of Soliton Equations and Applications of Twistor Theory- Classical and Quantum Many Body Problems- Deformation and Geometric Quantization- Instanton, Monopoles and Gauge Theory- Differential Geometry and Mathematical Physics
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