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Discrete solitons in the Ablowitz-Ladik (AL) and discrete nonlinear Schr\"odinger (DNLS) equations with damping and strong rapid drive are investigated. The averaged equations have the forms of the parametric AL and DNLS equations. A new…

Pattern Formation and Solitons · Physics 2015-06-26 Josselin Garnier , Fatkhulla Abdullaev , Mario Salerno

In this paper, we construct a generalized Darboux transformation for nonlinear Schr\"odinger equation. The associated $N$-fold Darboux transformation is given both in terms of a summation formula and in terms of determinants. As…

Exactly Solvable and Integrable Systems · Physics 2015-05-30 Boling Guo , Liming Ling , Q. P. Liu

We review recent results on global wellposedness and long-time behavior of smooth solutions to the derivative nonlinear Schr\"{o}dinger (DNLS) equation. Using the integrable character of DNLS, we show how the inverse scattering tools and…

Analysis of PDEs · Mathematics 2019-05-09 Robert Jenkins , Jiaqi Liu , Peter Perry , Catherine Sulem

The nonlinear Schr{\"o}odinger (NLS) equation, which incorporates higher-order dispersive terms, is widely employed in the theoretical analysis of various physical phenomena. In this study, we explore the non-commutative extension of the…

Mathematical Physics · Physics 2023-11-13 H. W. A. Riaz , J. Lin

We construct exact soliton solutions of integrable multicomponent nonlinear Schr\"odinger (NLS) equations under general nonvanishing boundary conditions. Different components of the vector (or matrix) dependent variable can approach plane…

Exactly Solvable and Integrable Systems · Physics 2013-10-25 Takayuki Tsuchida

We construct a generalized Darboux transformation (GDT) of a general coupled nonlinear Schr\"{o}dinger (GCNLS) system. Using GDT method we derive a recursive formula and present determinant representations for N-th order rogue wave solution…

Exactly Solvable and Integrable Systems · Physics 2015-06-19 N. Vishnu Priya , M. Senthilvelan

In this paper we examine a deformation of the derivative nonlinear Schr\"odinger (DNLS) equation, the so-called Camassa-Holm DNLS (CH-DNLS) equation. We use two asymptotic multiscale expansion methods to reduce this model to both the…

Pattern Formation and Solitons · Physics 2018-12-14 L. J. Guo , C. B. Ward , I. K. Mylonas , P. G. Kevrekidis

Rogue waves in the nonlocal PT-symmetric nonlinear Schrodinger (NLS) equation are studied by Darboux transformation. Three types of rogue waves are derived, and their explicit expressions in terms of Schur polynomials are presented. These…

Exactly Solvable and Integrable Systems · Physics 2018-11-14 Bo Yang , Jianke Yang

The Darboux transformation of the three-component coupled derivative nonlinear Schr\"{o}dinger equations is constructed, based on the special vector solution elaborately generated from the corresponding Lax pair, various interactions of…

Exactly Solvable and Integrable Systems · Physics 2017-11-03 Tao Xu , Yong Chen

In this paper, we introduce the reverse-space and reverse-space-time nonlocal discrete derivative nonlinear Schr\"odinger (DNLS) equations through the nonlocal symmetry reductions of the semi-discrete Gerdjikov-Ivanov equation. The…

Exactly Solvable and Integrable Systems · Physics 2020-06-09 Gegenhasi , Yuechen Jia

We derive a class of discrete nonlinear Schr{\"o}dinger (DNLS) equations for general polynomial nonlinearity whose stationary solutions can be found from a reduced two-point algebraic problem. It is demonstrated that the derived class of…

Pattern Formation and Solitons · Physics 2007-05-23 S. V. Dmitriev , P. G. Kevrekidis , A. A. Sukhorukov , N. Yoshikawa , S. Takeno

We show how to derive noncommutative versions of integrable partial difference equations using Darboux transformations. As an illustrative example, we use the nonlinear Schr\"odinger (NLS) system. We derive a noncommutative nonlinear…

Exactly Solvable and Integrable Systems · Physics 2025-07-17 S. Konstantinou-Rizos , P. Xenitidis

We study a fractional version of the two-dimensional discrete nonlinear Schr\"{o}dinger (DNLS) equation, where the usual discrete Laplacian is replaced by its fractional form that depends on a fractional exponent $s$ that interpolates…

Pattern Formation and Solitons · Physics 2020-07-08 Mario I. Molina

In the recent comment quoted in the title (arXiv:1407.7852v1), a comment is presented on our recent work which derive a generalized nonlinear wave solution formula for mixed coupled nonlinear Sch\"{o}dinger equations by performing the…

Exactly Solvable and Integrable Systems · Physics 2014-08-12 Liming Ling , Li-Chen Zhao , Boling Guo

In [1], a generalized type of Darboux transformations defined in terms of a twisted derivation was constructed in a unified form. Such twisted derivations include regular derivations, difference operators, superderivatives and…

Exactly Solvable and Integrable Systems · Physics 2014-06-06 Chun-Xia Li , Jonathan Nimmo , Shou-Feng Shen

This paper investigates a reverse space-time higher-order modified self-steepening nonlinear Schr\"odinger equation, which distinguishes its standard local counterparts through the reverse space-time symmetry. The integrability of this…

Exactly Solvable and Integrable Systems · Physics 2025-11-11 Yanan Wang , Xi-hu Wu

In this paper, we investigate a general integrable nonlocal coupled nonlinear schr\"odinger (NLS) system with the the parity-time (PT) symmetry, which contains not only the nonlocal self-phase modulation and the nonlocal cross-phase…

Exactly Solvable and Integrable Systems · Physics 2015-05-21 Cai-Qin Song , Dong-Mei Xiao , Zuo-Nong Zhu

We derive an exact solution to the local nonlinear Schr\"odinger equation (NLSE) using the Darboux transformation method. The new solution describes the profile and dynamics of a two-soliton molecule. Using an algebraically-decaying seed…

Pattern Formation and Solitons · Physics 2020-06-17 Khelifa Mohammed Elhadj , L. Al Sakkaf , U. Al Khawaja , Abdelaali Boudjemaa

In this paper, we primarily construct Darboux transformation(DT) of the nonlocal coupled modified complex integrable dispersionless (cm-CID) equation, which is first proposed by the connection with a nonlocal coupled modified complex short…

Exactly Solvable and Integrable Systems · Physics 2025-10-16 Hong-Qian Sun , Shou-Feng Shen , Zuo-Nong Zhu

We study the general (2+1)-dimensional Davey-Stewartson (DS) equations with nonlinear and gain terms and acquire explicit solutions through variable separation approach. In particular, we deduce some main novel excitations for the DS…

Mathematical Physics · Physics 2010-06-07 Ren-Jie Wang , Yong-Chang Huang