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Related papers: A note on averaging for the dispersion-managed NLS

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We prove global well-posedness for the cubic nonlinear Schr\"odinger equation with nonlinearity concentrated on a homogeneous Poisson process.

Analysis of PDEs · Mathematics 2025-09-11 Benjamin Harrop-Griffiths , Rowan Killip , Monica Visan

In case of the nonlinear Schr\"odinger equation with designed group velocity dispersion, variable nonlinearity and gain/loss; we analytically demonstrate the phenomenon of chirp reversal crucial for pulse reproduction. Two different…

Exactly Solvable and Integrable Systems · Physics 2009-11-11 Rajneesh Atre , Prasanta K. Panigrahi

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

Using Lie group theory and canonical transformations we construct explicit solutions of nonlinear Schrodinger equations with spatially inhomogeneous nonlinearities. We present the general theory, use it to show that localized nonlinearities…

Pattern Formation and Solitons · Physics 2009-11-11 Juan Belmonte-Beitia , Victor M. Perez-Garcia , Vadym Vekslerchik , Pedro J. Torres

We present different techniques to numerically solve the equations of motion for the widely studied Discrete Nonlinear Schroedinger equation (DNLS). Being a Hamiltonian system, the DNLS requires symplectic routines for an efficient…

Computational Physics · Physics 2013-04-08 Mario Mulansky

The generalized (1+1)-D non-linear Schrodinger (NLS) theory with particular integrable boundary conditions is considered. More precisely, two distinct types of boundary conditions, known as soliton preserving (SP) and soliton non-preserving…

High Energy Physics - Theory · Physics 2008-11-26 Anastasia Doikou , Davide Fioravanti , Francesco Ravanini

The solution of nonlinear Schroedinger equation with saturation was found by means the quadratures method in terms of degeneracy theory. It was shown the existence conditions for soliton solutions.

Pattern Formation and Solitons · Physics 2009-01-20 Dmitry Levko

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

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

We investigate the well-posedness theory of the 2-D fractional nonlinear Schr\"odinger equation (NLSE) with a mixed degree of derivatives. Motivated by models in optics and photonics where the light propagation is governed by non-quadratic,…

Analysis of PDEs · Mathematics 2023-09-29 Brian Choi , Alejandro Aceves

We analyze initial-boundary value problems for an integrable generalization of the nonlinear Schr\"odinger equation formulated on the half-line. In particular, we investigate the so-called linearizable boundary conditions, which in this…

Exactly Solvable and Integrable Systems · Physics 2009-09-30 J. Lenells , A. S. Fokas

By using AKNS scheme and soliton connection taking values in a Virasoro algebra we obtain new coupled Nonlinear Schrodinger equations.

High Energy Physics - Theory · Physics 2008-11-26 H. T. Ozer , S. Salihoglu

We apply the proper orthogonal decomposition (POD) to the nonlinear Schr\"odinger (NLS) equation to derive a reduced order model. The NLS equation is discretized in space by finite differences and is solved in time by structure preserving…

Numerical Analysis · Mathematics 2015-11-26 Bülent Karasözen , Canan Akkoyunlu , Murat Uzunca

We use the inverse scattering transform and a diffusion approximation limit theorem to study the stability of soliton components of the solution of the nonlinear Schr\"{o}dinger and Korteweg-de Vries equations under random perturbations of…

Analysis of PDEs · Mathematics 2014-03-21 Ennio Fedrizzi

For the first time, a nonlinear Schr\"odinger equation of the general form is considered, depending on time and two spatial variables, the potential and dispersion of which are specified by two arbitrary functions. This equation naturally…

Exactly Solvable and Integrable Systems · Physics 2026-03-03 Andrei D. Polyanin

We consider the existence of a dynamically stable soliton in the one-dimensional cubic-quintic nonlinear Schr\"odinger model with strong cubic nonlinearity management for periodic and random modulations. We show that the predictions of the…

Other Condensed Matter · Physics 2015-06-25 Fatkhulla Kh. Abdullaev , Josselin Garnier

Conditional Lie symmetries of semi-linear 1D Schr\"odinger and diffusion equations are studied if the mass (or the diffusion constant) is considered as an additional variable. In this way, dynamical symmetries of semi-linear Schr\"odinger…

Mathematical Physics · Physics 2007-05-23 Stoimen Stoimenov , Malte Henkel

We consider an integrable generalization of the nonlinear Schr\"odinger (NLS) equation that was recently derived by one of the authors using bi-Hamiltonian methods. This equation is related to the NLS equation in the same way that the…

Exactly Solvable and Integrable Systems · Physics 2008-12-09 J. Lenells , A. S. Fokas

In this paper, we report a more general class of nondegenerate soliton solutions, associated with two distinct wave numbers in different modes, for a certain class of physically important integrable two component nonlinear Schr\"{o}dinger…

Exactly Solvable and Integrable Systems · Physics 2019-12-10 S. Stalin , R. Ramakrishnan , M. Lakshmanan

For the first time, the general nonlinear Schr\"odinger equation is investigated, in which the chromatic dispersion and potential are specified by two arbitrary functions. The equation in question is a natural generalization of a wide class…

Exactly Solvable and Integrable Systems · Physics 2024-12-03 Andrei D. Polyanin , Nikolay A. Kudryashov
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