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In this work we study the following class of systems of coupled nonlinear fractional nonlinear Schr\"odinger equations, \begin{equation*} \left \{ \begin{array}{l} (-\Delta)^s u_1+ \lambda_1 u_1= \mu_1 |u_1|^{2p-2}u_1+\beta |u_2|^{p}…

Analysis of PDEs · Mathematics 2021-11-10 Eduardo Colorado , Alejandro Ortega

We study well-posedness, local and global, existence of solutions for a general class of physically meaningful nonlinear Schr\"odinger systems with magnetic field involving local and nonlocal nonlinearities.

Functional Analysis · Mathematics 2010-04-27 Hichem Hajaiej

We study a non-linear Schroedinger equation with a Hartree-type nonlinearity and a localized random time-dependent external potential. Sharp dispersive estimates for the linear Schroedinger equation with a random time-dependent potential…

Analysis of PDEs · Mathematics 2019-03-11 Marius Beceanu , Avy Soffer

This is to review some recent progress in PDE. The emphasis is on (energy) supercritical nonlinear Schr\"odinger equations. The methods are applicable to other nonlinear equations.

Analysis of PDEs · Mathematics 2010-09-07 Wei-Min Wang

We generate hierarchies of derivative nonlinear Schr\"odinger-type equations and their nonlocal extensions from Lie algebra splittings and automorphisms. This provides an algebraic explanation of some known reductions and newly established…

Exactly Solvable and Integrable Systems · Physics 2017-04-10 Zhiwei Wu , Jingsong He

In this paper, we study a couple of NLS equations characterized by mixed cubic and superlinear power laws. Classification of the solutions as well as existence and uniqueness of the steady state solutions have been investigated.

Analysis of PDEs · Mathematics 2019-05-21 Riadh Chteoui , Mohamed Lakdar Ben Mohamed , Abdulrahman F. Aljohani , Anouar Ben Mabrouk

We study the derivative nonlinear Schr\"odinger equation on the real line and obtain global-in-time bounds on high order Sobolev norms.

Analysis of PDEs · Mathematics 2022-07-20 Hajer Bahouri , Trevor M. Leslie , Galina Perelman

In this article we investigate the nature of the functions, including important double power terms which arise naturally in considering typical nonlinear Schroedinger equations.

Analysis of PDEs · Mathematics 2008-11-07 Shinji Kawano

Using a new infinite-dimensional linking theorem, we obtained nontrivial solutions for strongly indefinite periodic Schr\"odinger equations with sign-changing nonlinearities.

Analysis of PDEs · Mathematics 2014-06-19 Shaowei Chen , Conglei Wang , Liqin Xiao

We discuss normal forms of the completely resonant non-linear Schr\"odinger equation on a torus $\T^n$, with particular applications to quasi periodic solutions.

Analysis of PDEs · Mathematics 2010-09-01 Claudio Procesi , Michela Procesi

A method is presented to construct exactly solvable nonlinear extensions of the Schr\"odinger equation. The method explores a correspondence which can be established under certain conditions between exactly solvable ordinary Schr\"odinger…

Quantum Physics · Physics 2023-04-04 Tom Dodge , Peter Schweitzer

From the mathematical side, nonlinear Schr\"odinger equations are usually investigated via variational methods, that cease to work in higher dimensions. This thesis tries to overcome this problem by focusing on spherically symmetric…

Mathematical Physics · Physics 2022-10-18 Filip Ficek

A nonlinear Schr\"odinger equation with external potential $-(t+b)^{-1}$ is considered and its explicit solutions are constructed.

Exactly Solvable and Integrable Systems · Physics 2007-05-23 Alexander Sakhnovich

A method to find exact solutions to nonlinear Schr\"odinger equation, defined on a line and on a plane, is found by connecting it with second order linear ordinary differential equation. The connection is essentially made using Riccati…

Exactly Solvable and Integrable Systems · Physics 2014-11-14 Vivek M. Vyas , Rama Gupta , C. N. Kumar , Prasanta K. Panigrahi

Information-theoretic arguments are used to obtain a link between the accurate linearity of Schrodinger's equation and Lorentz invariance: A possible violation of the latter at short distances would imply the appearance of nonlinear…

Quantum Physics · Physics 2015-06-26 Rajesh R. Parwani

In this paper, we acquire the soliton solutions of the nonlinear Schrodinger's equation with dual power-law nonlinearity. Primiraly, we use the extended trial equation method to find exact solutions of this equation. Then, we attain some…

Mathematical Physics · Physics 2016-06-29 Hasan Bulut , Yusuf Pandir , Seyma Tuluce Demiray

This paper is devoted to the well-posedness of stochastic nonlinear Schr\"odinger equations in the energy space H1(Rd), which is a natural continuation of our recent work [1]. We consider both focusing and defocusing nonlinearities and…

Probability · Mathematics 2014-04-22 Viorel Barbu , Michael Röckner , Deng Zhang

In this paper, we study a system of focusing fourth-order Schr\"odinger equations in the energy-critical setting with radial initial data and general power-type nonlinearities. The main idea is to generalize the analysis of such systems: we…

Analysis of PDEs · Mathematics 2025-09-05 Maicon Hespanha , Renzo Scarpelli

In this paper we are concerned with nonlinear Schr\"odinger equations with random potentials. Our class includes continuum and discrete potentials. Conditions on the potential $V_{\omega}$ are found for existence of solutions almost sure…

Analysis of PDEs · Mathematics 2013-04-10 Leandro Cioletti , Lucas C. F. Ferreira , Marcelo Furtado

In this paper a nonlinear coupled Schrodinger system in the presence of mixed cubic and superlinear power laws is considered. A non standard numerical method is developed to approximate the solutions in higher dimensional case. The idea…

Numerical Analysis · Mathematics 2018-05-16 Abdurahman F. Aljohani , Anouar Ben Mabrouk