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Related papers: Solitons and breathers for nonisospectral mKdV equ…

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With the nonuniform media taken into account, the nonisospectral and variable-coefficient Korteweg-de Vries equation, which describes various physical situations such as fluid dynamics and plasma, is under investigation in this paper. With…

Pattern Formation and Solitons · Physics 2017-10-17 Ling-Jun Liu , Xin Yu

This paper constructs the $N$-fold Darboux transformation (DT) for the vector complex modified Korteweg-de Vries (vcmKdV) equation and presents its determinant representation. Utilizing the DT and multi-fold eigenvalue degeneracy, we derive…

Exactly Solvable and Integrable Systems · Physics 2025-10-06 Yihang Liu , Yongshuai Zhang , Maohua Li

It is well known that the nonlinear Schr\"odinger (NLS) equation is a very important integrable equation. Ablowitz and Musslimani introduced and investigated an integrable nonlocal NLS equation through inverse scattering transform. Very…

Exactly Solvable and Integrable Systems · Physics 2016-03-15 Jia-Liang Ji , Zuo-Nong Zhu

We demonstrate the control of solitary wave dynamics of modified Kortweg-de Vries (MKdV) equation through the temporal variations of the distributed coefficients. This is explicated through exact cnoidal wave and localized soliton solutions…

Exactly Solvable and Integrable Systems · Physics 2009-11-11 Kallol Pradhan , Prasanta K. Panigrahi

A variable-coefficient forced Korteweg-de Vries equation with spacial inhomogeneity is investigated in this paper. Under constraints, this equation is transformed into its bilinear form, and multi-soliton solutions are derived. Effects of…

Pattern Formation and Solitons · Physics 2017-01-18 Xin Yu , Zhi-Yuan Sun , Kai-Wen Zhou , Yu-Jia Shen

Using the Darboux transformation for the Korteweg-de Vries equation, we construct and analyze exact solutions describing the interaction of a solitary wave and a traveling cnoidal wave. Due to their unsteady, wavepacket-like character,…

Pattern Formation and Solitons · Physics 2023-04-26 Mark A. Hoefer , Ana Mucalica , Dmitry E. Pelinovsky

We study the long-time dynamics of complex-valued modified Korteweg-de Vries (mKdV) solitons, which are recognized because they blow-up in finite time. We establish stability properties at the H^1 level of regularity, uniformly away from…

Analysis of PDEs · Mathematics 2016-01-20 Miguel Angel Alejo , Claudio Muñoz

The soliton resolution for the focusing modified Korteweg-de vries (mKdV) equation is established for initial conditions in some weighted Sobolev spaces. Our approach is based on the nonlinear steepest descent method and its reformulation…

Analysis of PDEs · Mathematics 2019-10-11 Gong Chen , Jiaqi Liu

We consider the vector generalization of the modified Korteweg-de Vries equation. We develop the inverse scattering transform for solving this equation. We construct the solitons and the breather solutions and investigate the processes of…

Exactly Solvable and Integrable Systems · Physics 2017-06-06 Volodymyr Fenchenko , Evgenii Khruslov

In this article, we prove that a sum of solitons and breathers of the modified Korteweg-de Vries equation (mKdV) is orbitally stable. The orbital stability is shown in H^2. More precisely, we will show that if a solution of (mKdV) is close…

Analysis of PDEs · Mathematics 2022-08-04 Alexander Semenov

Quaternion-valued solutions to the non-commutative KdV equation are produced using determinants. The solutions produced in this way are (breather) soliton solutions, rational solutions, spatially periodic solutions and hybrids of these…

Exactly Solvable and Integrable Systems · Physics 2023-11-29 John Cobb , Alex Kasman , Albert Serna , Monique Sparkman

The supercritical composition of a plasma model with cold positive ions in the presence of a two-temperature electron population is investigated, initially by a reductive perturbation approach, under the combined requirements that there be…

Pattern Formation and Solitons · Physics 2016-04-13 Frank Verheest , Carel P. Olivier , Willy A. Hereman

The interaction of localised solitary waves with large-scale, time-varying dispersive mean flows subject to nonconvex flux is studied in the framework of the modified Korteweg-de Vries (mKdV) equation, a canonical model for nonlinear…

Pattern Formation and Solitons · Physics 2021-11-01 Kiera van der Sande , Gennady A. El , Mark A. Hoefer

We present a new exact solution to the defocusing modified Korteweg-de Vries equation to describe the interaction of a dark soliton and a traveling periodic wave. The solution (which we refer to as to the dark breather) is obtained by using…

Exactly Solvable and Integrable Systems · Physics 2023-12-15 Ana Mucalica , Dmitry E. Pelinovsky

We obtain an exact solution for the breather lattice solution of the modified Korteweg-de Vries (MKdV) equation. Numerical simulation of the breather lattice demonstrates its instability due to the breather-breather interaction. However,…

Pattern Formation and Solitons · Physics 2009-11-10 P. G. Kevrekidis , Avinash Khare , A. Saxena

We present the discovery of a class of exact spatially localized as well as periodic wave solutions within the framework of the modified Korteweg-de Vries equation. This class comprises breather and interacting soliton solutions as well as…

Pattern Formation and Solitons · Physics 2022-01-11 Vladimir I. Kruglov , Houria Triki

The Korteweg-deVries (KdV) equation with step boundary conditions is considered, with an emphasis on soliton dynamics. When one or more initial solitons are of sufficient size they can propagate through the step; in this case the phase…

Exactly Solvable and Integrable Systems · Physics 2018-08-15 Mark J. Ablowitz , Xu-Dan Luo , Justin T. Cole

We consider solutions of the generalized Korteweg-de Vries equations (gKdV) which are non dispersive in some sense (in the spirit of [18]) and which remain close to multi-solitons. We show that these solutions are necessarily pure…

Analysis of PDEs · Mathematics 2020-07-06 Xavier Friederich

We mainly construct and analyze the multi elliptic-localized solutions under the background of elliptic function solutions for the focusing modified Korteweg-de Vries (mKdV) equation. Based on the Darboux-B\"{a}cklund transformation, we…

Exactly Solvable and Integrable Systems · Physics 2022-10-25 Liming Ling , Xuan Sun

Nonisospectral integrable systems can describe solitary waves in nonuniform media. In this paper, we apply the Cauchy matrix approach to construct three types of nonisospectral matrix modified Korteweg-de Vries (mKdV) eqautions and present…

Exactly Solvable and Integrable Systems · Physics 2025-09-01 Mengli Tian , Chunxia Li , Yue Li , Fei Li , Yuqin Yao
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