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The introduction of nonlinearities into lattices with topological band structures has led to the discovery of various types of solitons. The Su-Schrieffer-Heeger (SSH) lattice, as the most fundamental topological model, has been extended…

Pattern Formation and Solitons · Physics 2026-05-05 Rujiang Li , Muhammad Imran , Wencai Wang , Yongtao Jia , Ying Liu

In this paper, we study one-dimensional linear Schr\"odinger equations with multiple moving potentials, known as transfer charge models. Focusing on the non-self-adjoint setting that arises in the study of solitons, we systematically…

Analysis of PDEs · Mathematics 2025-09-04 Gong Chen , Abdon Moutinho

We use multiscale perturbation theory in conjunction with the inverse scattering transform to study the interaction of a number of solitons of the cubic nonlinear Schroedinger equation under the influence of a small correction to the…

patt-sol · Physics 2009-10-31 James A. Besley , Peter D. Miller , Nail N. Akhmediev

We characterize the soliton solutions of the nonlinear Schroedinger equation on the half line with linearizable boundary conditions. Using an extension of the solution to the whole line and the corresponding symmetries of the scattering…

Exactly Solvable and Integrable Systems · Physics 2015-05-13 Gino Biondini , Guenbo Hwang

We give a survey on recent developments on nonlinear Schr\"odinger equations with dissipative structure based on the authors' recent works.

Analysis of PDEs · Mathematics 2023-04-03 Chunhua Li , Yoshinori Nishii , Yuji Sagawa , Hideaki Sunagawa

We demonstrate a possibility to generate localized states in effectively one-dimensional Bose-Einstein condensates with a negative scattering length in the form of a dark soliton in the presence of an optical lattice (OL) and/or a parabolic…

Soft Condensed Matter · Physics 2009-11-10 P. G. Kevrekidis , D. J. Frantzeskakis , Boris A. Malomed , A. R. Bishop , I. G. Kevrekidis

In the aerospace industry the trend for light-weight structures and the resulting complex dynamic behaviours currently challenge vibration engineers. In many cases, these light-weight structures deviate from linear behaviour, and complex…

Pattern Formation and Solitons · Physics 2018-03-14 F. Fontanela , A. Grolet , L. Salles , A. Chabchoub , N. Hoffmann

In this paper, we study the formation of solitons, their propagation and collision behaviour in an integrable multicomponent (2+1)-dimensional long wave-short wave resonance interaction ($M$-LSRI) system. First, we briefly revisit our…

Pattern Formation and Solitons · Physics 2015-12-04 T Kanna , K Sakkaravarthi , M Vijayajayanthi , M Lakshmanan

We investigate the soliton dynamics for the fractional nonlinear Schrodinger equation by a suitable modulational inequality. In the semiclassical limit, the solution concentrates along a trajectory determined by a Newtonian equation…

Analysis of PDEs · Mathematics 2013-05-24 Simone Secchi , Marco Squassina

We address the existence and stability of localized modes in the two-dimensional (2D) linear Schroedinger lattice with two symmetric nonlinear sites embedded into it, and a generalization for moderately localized nonlinearity featuring two…

Pattern Formation and Solitons · Physics 2015-06-19 Valeriy A. Brazhnyi , Boris A. Malomed

Here we revisit the topic of stationary and propagating solitonic excitations in self-repulsive three-dimensional Bose-Einstein condensates by quantitatively comparing theoretical analysis and associated numerical computations with our…

Quantum Gases · Physics 2022-11-23 T. Mithun , A. R. Fritsch , I. B. Spielman , P. G. Kevrekidis

We consider the nonlinear Schr\"odinger equation with a focusing cubic term and a defocusing quintic nonlinearity in dimensions two and three. The core of this article is the notion of stability of solitary waves. We recall the two standard…

Analysis of PDEs · Mathematics 2021-09-10 R. Carles , C. Klein , C. Sparber

We analyze a system of three two-dimensional nonlinear Schr\"odinger equations coupled by linear terms and with the cubic-quintic (focusing-defocusing) nonlinearity. We consider two versions of the model: conservative and parity-time…

Optics · Physics 2016-01-14 David Feijoo , Dmitry A. Zezyulin , Vladimir V. Konotop

We study stability and dynamics of the single cylindrically symmetric solitary structures and dipolar solitonic molecules in spatially nonlocal media. The main properties of the solitons, vortex solitons, and dipolar solitons are…

Pattern Formation and Solitons · Physics 2016-09-08 A. I. Yakimenko , V. M. Lashkin , O. O. Prikhodko

In this paper we deal with a nonlinear Schr\"{o}dinger equation with chaotic, random, and nonperiodic cubic nonlinearity. Our goal is to study the soliton evolution, with the strength of the nonlinearity perturbed in the space and time…

Quantum Physics · Physics 2015-05-14 W. B. Cardoso , S. A. Leao , A. T. Avelar , D. Bazeia , M. S. Hussein

New two-component soliton solutions of the coupled high-frequency (HF) - low-frequency (LF) system, based on Schr\"odinger - Korteweg - de Vries (KdV) system with the Zakharov's coupling, are obtained for arbitrary relative strengths of the…

Pattern Formation and Solitons · Physics 2017-10-25 Gromov Evgeny , Malomed Boris

We study soliton dynamics in a system of two linearly coupled discrete nonlinear Schr\"odinger equations, which describe the dynamics of a two-component Bose gas, coupled by an electromagnetic field, and confined in a strong optical…

Pattern Formation and Solitons · Physics 2009-04-20 A. Trombettoni , H. E. Nistazakis , Z. Rapti , D. J. Frantzeskakis , P. G. Kevrekidis

Properties of hedgehog solitons in a chiral quark model with nonlocal regulators are described. We discuss the formation of the hedgehog soliton, the quantization of the baryon number, the energetic stability, the gauging and construction…

High Energy Physics - Phenomenology · Physics 2009-11-07 Wojciech Broniowski , Bojan Golli , Georges Ripka

Dynamics of vector dark solitons in two-component Bose-Einstein condensates is studied within the framework of the coupled one-dimensional nonlinear Schr\"odinger (NLS) equations. We consider the small amplitude limit in which the coupled…

Other Condensed Matter · Physics 2009-11-11 V. A. Brazhnyi , V. V. Konotop

Interactions between solitons and the coherent oscillation structures generated by localized disturbances via modulational instability are studied within the framework of the focusing nonlinear Schrodinger equation. Two main interaction…

Pattern Formation and Solitons · Physics 2018-10-24 Gino Biondini , Sitai Li , Dionyssios Mantzavinos