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In this paper we consider the stabilization of non-fundamental unstable stationary solutions of the cubic nonlinear Schrodinger equation. Specifically we study the stabilization of radially symmetric solutions with nodes and asymmetric…

Pattern Formation and Solitons · Physics 2009-11-13 Adrian Alexandrescu , Gaspar D. Montesinos , Victor M. Perez-Garcia

We study the dynamics of femtosecond light pulse propagation in a cubic-quintic medium exhibiting dispersive effect up to the fourth order as well as self-frequency shift and self-steepening nonlinearity. A rich variety of periodic and…

Pattern Formation and Solitons · Physics 2022-10-19 Vladimir I. Kruglov , Houria Triki

In a previous paper (Matsuno 2011 {\it J. Phys. A: Math. Theore.} {\bf 44} 495202), we have presented a determinantal expression of the bright $N$-soliton solution for a multi-component modified nonlinear Schr\"odinger (NLS) system with…

Exactly Solvable and Integrable Systems · Physics 2019-04-04 Yoshimasa Matsuno

We demonstrate that nonlinear magnetic solitary excitations (solitons) traveling through a Heisenberg spin chain may be used as a robust tool capable of coherent control of the qubit's state. The physical problem is described by a…

Quantum Physics · Physics 2022-04-05 S. Varbev , I. Boradjiev , R. Kamburova , H. Chamati

We study the stability properties of periodic solutions to the Nonlinear Schr\"odinger (NLS) equation with a periodic potential. We exploit the symmetries of the problem, in particular the Hamiltonian structure and the $\U(1)$ symmetry. We…

Pattern Formation and Solitons · Physics 2007-05-23 Jared C. Bronski , Zoi Rapti

We consider the problem of existence and stability of solitary traveling waves for the one dimensional discrete non linear Schroedinger equation (DNLS) with cubic nonlinearity, near the continuous limit.We construct a family of solutions…

Numerical Analysis · Mathematics 2018-05-10 Joackim Bernier , Erwan Faou

This paper proposes a fairly general new point of view on the question of asymptotic stability of (topological) solitons. Our approach is based on the use of the distorted Fourier transform at the nonlinear level; it does not rely on…

Analysis of PDEs · Mathematics 2023-02-16 Pierre Germain , Fabio Pusateri

In this paper, we prove existence and orbital stability results of periodic standing waves for the cubic-quintic nonlinear Schr\"odinger equation. We use the implicit function theorem to construct a smooth curve of explicit periodic waves…

Analysis of PDEs · Mathematics 2022-04-21 Giovana Alves , Fabio Natali

We study the existence and stability of periodic traveling-wave solutions for the quadratic and cubic nonlinear Schr\"odinger equations in one space dimension.

Exactly Solvable and Integrable Systems · Physics 2011-12-20 Sevdzhan Hakkaev , Iliya D. Iliev , Kiril Kirchev

We study numerically stabilized solutions of the two-dimensional Schrodinger equation with a cubic nonlinearity. We discuss in detail the numerical scheme used and explain why choosing the right numerical strategy is very important to avoid…

Pattern Formation and Solitons · Physics 2007-05-23 Gaspar D. Montesinos , Victor M. Perez-Garcia

We apply the modulation theory to study the vortex and radiation solution in the two-dimensional nonlinear Schr\"{o}dinger equation. The full modulation equations which describe the dynamics of the vortex and radiation separately are…

Mathematical Physics · Physics 2016-05-04 Avy Soffer , Xiaofei Zhao

In the present paper, we construct modified wave operators for the defocusing cubic nonlinear Schr\"odinger equation (NLS) in one space dimension without size restriction on scattering data. In the proof, we introduce a new formulation of…

Analysis of PDEs · Mathematics 2026-04-14 Masaki Kawamoto , Haruya Mizutani

Modulation instability (MI) in continuous media described by a system of two cubic-quintic nonlinear Schr\"odinger equations (NLSE) has been investigated with a focus on revealing the contribution of the quintic nonlinearity to the…

Pattern Formation and Solitons · Physics 2018-12-26 B. B. Baizakov , A. Bouketir , S. M. Al-Marzoug , H. Bahlouli

We consider the existence and multiplicity of solutions for a class of quasi-linear Schr\"{o}dinger equations which include the modified nonlinear Schr\"{o}dinger equations. A new perturbation approach is used to treat the sub-cubic…

Analysis of PDEs · Mathematics 2022-09-13 Chen Huang , Jianjun Zhang , Xuexiu Zhong

The time dependent complex Schr\"odinger equation with cubic nonlinearity is solved by constructing differential quadrature algorithm based on sinc functions. Reduction to a coupled system of real equations enables to approach the space…

Numerical Analysis · Mathematics 2018-04-11 Alper Korkmaz

In this paper we study the long time behavior of a discrete approximation in time and space of the cubic nonlinear Schr\"odinger equation on the real line. More precisely, we consider a symplectic time splitting integrator applied to a…

Numerical Analysis · Mathematics 2012-03-29 Dario Bambusi , Erwan Faou , Benoit Grebert

We report branches of explicit expressions for nonlinear modes in parity-time (PT) symmetric potentials of several types. For the single-well and double-well potentials the found solutions are two-parametric and appear to be stable even…

Pattern Formation and Solitons · Physics 2015-09-30 Zhenya Yan , Zichao Wen , Vladimir V. Konotop

The stability of the bright solitary wave solution to the perturbed cubic-quintic Schroedinger equation is considered. It is shown that in a certain region of parameter space these solutions are unstable, with the instability being…

patt-sol · Physics 2009-10-30 Todd Kapitula

An explicit two-soliton solution for the derivative nonlinear Schr\"odinger equation with nonvanishing boundary conditions is derived, demonstrating details of interactions between two bright solitons, two dark solitons, as well as one…

Pattern Formation and Solitons · Physics 2009-11-11 Xiang-Jun Chen , Hui-Li Wang , Wa Kun Lam

We present what we believe to be the first known example of an exact quasiperiodic localized stable solution with spatially symmetric large-amplitude oscillations in a non-integrable Hamiltonian lattice model. The model is a one-dimensional…

Pattern Formation and Solitons · Physics 2007-05-23 Magnus Johansson , Andrey V. Gorbach