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We investigate theoretically soliton excitations and dynamics of their formation in strongly correlated systems of ultracold bosonic atoms in two and three dimensional optical lattices. We derive equations of nonlinear hydrodynamics in the…

Quantum Gases · Physics 2015-05-27 Eugene Demler , Andrei Maltsev

We study the collision of two fast solitons for the nonlinear Schr\"odinger equation in the presence of a spatially adiabatic external potential. For a high initial relative speed $\|v\|$ of the solitons, we show that, up to times of order…

Mathematical Physics · Physics 2015-05-13 W. K. Abou Salem , J. Froehlich , I. M. Sigal

Scattering of solitons and dark solitons by potential walls is studied in the nonlinear Schroedinger equation under various conditions. We investigate the conditions under which solitons are split into two solitons at the potential wall. We…

Pattern Formation and Solitons · Physics 2009-11-10 Hidetsugu Sakaguchi , Mitsuaki Tamura

We study the global dynamics of the collision of two solitons having the same mass for one-dimensional Nonlinear Schr\"odinger models with multi-power nonlinearity. For any natural number k, it is verified that if the incoming speed v…

Analysis of PDEs · Mathematics 2025-05-07 Abdon Moutinho

The nonlinear Schr{\"o}dinger equation with derivative cubic nonlinearity admits a family of solitons, which are orbitally stable in the energy space. In this work, we prove the orbital stability of multi-solitons configurations in the…

Analysis of PDEs · Mathematics 2016-09-16 Stefan Le Coz , Yifei Wu

Physically relevant soliton solutions of the resonant nonlinear Schrodinger (RNLS) equation with nontrivial boundary conditions, recently proposed for description of uniaxial waves in a cold collisionless plasma, are considered in the…

Exactly Solvable and Integrable Systems · Physics 2009-11-11 Jyh-Hao Lee , Oktay K. Pashaev

Gaussians to study soliton behavior and blowup in the nonlinear Schrodinger equation in arbitrary dimension d and with arbitrary nonlinearity parameter kappa

High Energy Physics - Phenomenology · Physics 2009-10-22 F. Cooper , H. Shepard , C Lucheroni , P. Sodano

The Hirota transformation for the soliton solutions of the classical Sine-Gordon equation is suggestive of an extremely simple way for the construction of a nonlinear quantum-dynamical system of spin 1/2 particles that is equivalent to the…

Exactly Solvable and Integrable Systems · Physics 2012-10-25 Yair Zarmi

We elaborate a fractional discrete nonlinear Schr\"{o}dinger (FDNLS) equation based on an appropriately modified definition of the Riesz fractional derivative, which is characterized by its L\'{e}vy index (LI). This FDNLS equation…

Pattern Formation and Solitons · Physics 2024-09-04 Ming Zhong , Boris A. Malomed , Zhenya Yan

Solitons are ubiquitous in nature and play a pivotal role in the structure and dynamics of solutions of nonlinear propagation equations. In many instances where solitons exist, analytical expressions of these special objects are not…

Computational Physics · Physics 2025-04-16 O. Melchert , A. Demircan

We revisit the collisional dynamics of bright solitons in the coupled Nonlinear Schrodinger equation. We observe that apart from the intensity redistribution in the interaction of bright solitons, one also witnesses a rotation of the…

Other Condensed Matter · Physics 2015-06-16 R. Radha , P. S. Vinayagam , K. Porsezian

In the present work we explore features of single and pairs of solitary waves in a fractional variant of the nonlinear Schr{\"o}dinger equation. Motivated by the recent experimental realization of arbitrary fractional exponents, upon…

Pattern Formation and Solitons · Physics 2026-02-20 Robert J. Decker , A. Demirkaya , T. J. Alexander , P. G. Kevrekidis

This work deals with soliton solutions of the nonlinear Schroedinger equation with cubic and quintic nonlinearities. We extend the procedure put forward in a recent Letter and we solve the equation in the presence of linear background, and…

Quantum Physics · Physics 2009-02-25 A. T. Avelar , D. Bazeia , W. B. Cardoso

In this paper, we explore the anomalous dispersive relations, inverse scattering transform and fractional N-soliton solutions of the integrable fractional higher-order nonlinear Schrodinger (fHONLS) equations, containing the fractional…

Exactly Solvable and Integrable Systems · Physics 2023-10-02 Weifang Weng , Minghe Zhang , Zhenya Yan

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

We study the Derivative Nonlinear Schr\"odinger equation for generic initial data in a weighted Sobolev space that can support bright solitons (but exclude spectral singularities). Drawing on previous well-posedness results, we give a full…

Analysis of PDEs · Mathematics 2018-05-23 Robert Jenkins , Jiaqi Liu , Peter Perry , Catherine Sulem

We investigate the fractional diffusion limit of a Linear Boltzmann equation with heavy-tailed velocity equilibrium in a half-space with Maxwell boundary conditions. We derive a new confined version of the fractional Laplacian and show…

Analysis of PDEs · Mathematics 2022-10-06 Ludovic Cesbron

The semi-classical regime of standing wave solutions of a Schr\"odinger equation in presence of non-constant electric and magnetic potentials is studied in the case of non-local nonlinearities of Hartree type. It is show that there exists a…

Analysis of PDEs · Mathematics 2009-11-13 Silvia Cingolani , Simone Secchi , Marco Squassina

We argue that the description of meson-nucleon dynamics based on the boson-exchange approach, is compatible with the description of the nucleon as a soliton in the nonrelativistic limit. Our arguments are based on an analysis of the…

High Energy Physics - Theory · Physics 2009-10-22 Claudio Coriano' , Rajesh R. Parwani , Hidenaga Yamagishi , Ismail Zahed

We consider a cubic nonlinear Schroedinger equation with periodic potential. In a semiclassical scaling the nonlinear interaction of modulated pulses concentrated in one or several Bloch bands is studied. The notion of closed mode systems…

Analysis of PDEs · Mathematics 2007-07-18 Johannes Giannoulis , Alexander Mielke , Christof Sparber