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The complex coupled short pulse equation (ccSPE) describes the propagation of ultra-short optical pulses in nonlinear birefringent fibers. The system admits a variety of vector soliton solutions: fundamental solitons, fundamental breathers,…

Exactly Solvable and Integrable Systems · Physics 2023-07-13 Vincent Caudrelier , Aikaterini Gkogkou , Barbara Prinari

In this paper, we construct integrable self-adaptive moving mesh schemes for multi-component modified short pulse and short pulse equations under general boundary conditions including periodic boundary conditions by using the consistency…

Exactly Solvable and Integrable Systems · Physics 2025-07-08 Ayako Hori , Ken-ichi Maruno , Yasuhiro Ohta , Bao-Feng Feng

In the present paper, we are concerned with the general localized solutions for the complex short pulse equation including soliton, breather and rogue wave solutions. With the aid of a generalized Darboux transformation, we construct the…

Exactly Solvable and Integrable Systems · Physics 2016-06-22 Liming Ling , Bao-Feng Feng , Zuonong Zhu

In this work, we employ the generalized perturbation reduction method to find the two-component vector breather solution of the cubic Boussinesq equation $U_{tt} - C U_{zz} - D U_{zzzz}+G (U^{3})_{zz}=0$. Explicit analytical expressions for…

Mesoscale and Nanoscale Physics · Physics 2021-05-17 G. T. Adamashvili

We propose an integrable system of coupled nonlinear Schrodinger equations with cubic-quintic terms describing the effects of quintic nonlinearity on the ultra-short optical soliton pulse propagation in non-Kerr media. Lax pair, conserved…

solv-int · Physics 2009-10-31 R. Radhakrishnan , A. Kundu , M. Lakshmanan

The generalized equation for the study of two-component nonlinear waves in different fields of physics is considered. In special cases, this equation is reduced to a set of the various well-known equations describing nonlinear solitary…

Pattern Formation and Solitons · Physics 2024-07-02 G. T. Adamashvili

The short pulse (SP) equation is a novel model equation describing the propagation of ultra-short optical pulses in nonlinear media. This article reviews some recent results about the SP equation. In particular, we focus our attention on…

Exactly Solvable and Integrable Systems · Physics 2009-12-15 Yoshimasa Matsuno

We first derive an integrable deformed hierarchy of short pulse equation and their Lax representation. Then we concentrated on the solution of integrable deformed short pulse equation (IDSPE). By proposing a generalized reciprocal…

Exactly Solvable and Integrable Systems · Physics 2015-05-20 Yuqin Yao , Yehui Huang , Guixiang Dong , Yunbo Zeng

Using the generalized perturbation reduction method the scalar nonlinear Schr\"odinger equation is transformed to the coupled nonlinear Schr\"odinger equations for auxiliary functions. A solution in the form of a two-component vector…

Exactly Solvable and Integrable Systems · Physics 2020-12-23 G. T. Adamashvili

We consider a Lax pair found by Xia, Qiao and Zhou for a family of two-component analogues of the Camassa-Holm equation, including an arbitrary function $H$, and show that this apparent freedom can be removed via a combination of a…

Exactly Solvable and Integrable Systems · Physics 2018-05-10 Mike Hay , Andrew N. W. Hone , Vladimir S. Novikov , Jing Ping Wang

We consider a two-component one-dimensional model of gap solitons (GSs), which is based on two nonlinear Schr\"odinger equations, coupled by repulsive XPM (cross-phase-modulation) terms, in the absence of the SPM (self-phase-modulation)…

Pattern Formation and Solitons · Physics 2015-06-11 Athikom Roeksabutr , Thawatchai Mayteevarunyoo , Boris A. Malomed

It is shown that pairs of solitary pulses (SPs) in a linearly-coupled system with opposite group-velocity dispersions form robust breathing bound states. The system can be realized by temporal-modulation coupling of SPs with different…

Optics · Physics 2015-06-19 Brenda Dana , Boris A. Malomed , Alon Bahabad

A multi-component semi-discrete nonlinear integrable system associated with the relevant third-order auxiliary linear problem is claimed to be the prototype system for several reduced integrable systems formulated in terms of true dynamical…

Exactly Solvable and Integrable Systems · Physics 2020-11-25 Oleksiy O. Vakhnenko

We consider the half-wave maps (HWM) equation which is a continuum limit of the classical version of the Haldane-Shastry spin chain. In particular, we explore a many-body dynamical system arising from the HWM equation under the pole ansatz.…

Exactly Solvable and Integrable Systems · Physics 2021-11-25 Yoshimasa Matsuno

The $N$-soliton solution is presented for a two-component modified nonlinear Schr\"odinger equation which describes the propagation of short pulses in birefringent optical fibers. The solution is found to be expressed in terms of…

Exactly Solvable and Integrable Systems · Physics 2011-07-06 Yoshimasa Matsuno

The generalized sine-Gordon (sG) equation $u_{tx}=(1+\nu\partial_x^2)\sin\,u$ was derived as an integrable generalization of the sG equation. In a previous paper (Matsuno Y 2010 J. Phys. A: Math. Theor. {\bf 43} 105204) which is referred to…

Exactly Solvable and Integrable Systems · Physics 2015-05-19 Yoshimasa Matsuno

The interest in the Camassa-Holm equation inspired the search for various generalizations of this equation with interesting properties and applications. In this letter we deal with such a two-component integrable system of coupled…

Exactly Solvable and Integrable Systems · Physics 2009-07-14 Adrian Constantin , Rossen I. Ivanov

We introduce a new integrable model to investigate the dynamics of two component quasi particle condensates with spatio temporal interaction strengths. We derive the associated Lax-pair of the coupled GP equation and construct matter wave…

Quantum Gases · Physics 2013-10-29 R. Radha , P. S. Vinayagam , H. J. Shin , K. Porsezian

The general form of the cubic Boussinesq-type equation is considered. In special cases, this equation is reduced to the three different versions of the cubic Boussinesq equations and also the generalized modified cubic Boussinesq equation.…

Pattern Formation and Solitons · Physics 2023-05-17 G. T. Adamashvili

In this paper, we are concerned with a a semi-discrete complex short pulse (CSP) equation of both focusing and defocusing types, which can be viewed as an analogue to the Ablowitz-Ladik (AL) lattice in the ultra-short pulse regime. By using…

Exactly Solvable and Integrable Systems · Physics 2019-01-09 Bao-Feng Feng , Liming Ling , Zuonong Zhu