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In this paper, we study certain critical Schr\"{o}dinger-Kirchhoff type systems involving the fractional $p$-Laplace operator on a bounded domain. More precisely, using the properties of the associated functional energy on the Nehari…

Analysis of PDEs · Mathematics 2023-06-16 S. Fareh , K. Akrout , A. Ghanmi , D. D. Repovš

We present general results on exponential decay of finite energy solutions to stationary nonlinear Schr\"odinger equations.

Analysis of PDEs · Mathematics 2007-05-23 A. Pankov

The purpose of this article is to construct global solutions, in a probabilistic sense, for the nonlinear Schr{\"o}dinger equation posed on $\mathbb{R}^d$, in a supercritical regime. Firstly, we establish Bourgain type bilinear estimates…

Analysis of PDEs · Mathematics 2023-04-24 Nicolas Burq , Aurélien Poiret , Laurent Thomann

In this paper, an extended nonlinear Schrodinger equation with higher-order that includes fifth-order dispersion with matching higher-order nonlinear terms is investigated under zero boundary condition at infinity. Carrying out the spectral…

Exactly Solvable and Integrable Systems · Physics 2020-04-03 Zhou-Zheng Kang , Tie-Cheng Xia

For a certain class of solutions of the cubic nonlinear Sch\"odinger equation we prove non-existence in the generic case. In the nongeneric case we present a two-parameter set of solutions, bounded or unbounded, depending on corresponding…

Mathematical Physics · Physics 2023-01-27 Hans Werner Schürmann , Valery Serov

In this paper, by studying a class of 1-D Sturm-Liouville problems with periodic coefficients, we show and classify the solutions of periodic Schrodinger equations in a multidimensional case, which tells that not all the solutions are Bloch…

Mathematical Physics · Physics 2024-06-27 Yan Li , Bin Yang , Aihui Zhou

We prove existence results for a stationary Schr{\"o}dinger equation with periodic magnetic potential satisfying a local integrability condition on the whole space using a critical value function.

Analysis of PDEs · Mathematics 2021-06-03 Pascal Bégout , Ian Schindler

We introduce a notion of spectral singularity that applies for a general class of nonlinear Schreodinger operators involving a confined nonlinearity. The presence of the nonlinearity does not break the parity-reflection symmetry of spectral…

Mathematical Physics · Physics 2014-05-20 Ali Mostafazadeh

The paper "The Stochastic Nonlinear Schr\"odinger Equation in $H^{1}$" \cite{debouard2003} gives an existence proof for a stochastic nonlinear Schr\"odinger equation with multiplicative noise. We point out two mistakes that draw the…

Probability · Mathematics 2012-02-28 Torquil Macdonald Sørensen

In this paper, regularity properties of Cauchy problem for linear and nonlinear abstract Schr\"odinger equations in vector-valued function spaces are obtained.

Analysis of PDEs · Mathematics 2017-06-23 Veli Shakhmurov

Classes of the nonlinear Schrodinger-type equations compatible with the Galilei relativity principle are described. Solutions of these equations satisfy the continuity equation.

Mathematical Physics · Physics 2007-05-23 Wilhelm I. Fushchych , Vyacheslav M. Boyko

The aim of this paper is to provide the first application of Theorem 3 of [2] in a case where the dependence of the underlying equation from the real parameter is not of affine type.

Analysis of PDEs · Mathematics 2010-07-08 Biagio Ricceri

We consider nonlinear Schr{\"o}dinger equations in Fourier-Lebesgue and modulation spaces involving negative regularity. The equations are posed on the whole space, and involve a smooth power nonlinearity. We prove two types of norm…

Analysis of PDEs · Mathematics 2020-12-16 Divyang G. Bhimani , Rémi Carles

In this paper we study the behavior of solutions of a nonlinear Schroedinger equation in presence of an external potential, which is allowed to be singular at one point. We show that the solution behaves like a solitary wave for long time…

Analysis of PDEs · Mathematics 2013-12-20 Claudio Bonanno

In this paper we focus our attention on the following nonlinear fractional Schr\"odinger equation with magnetic field \begin{equation*} \varepsilon^{2s}(-\Delta)_{A/\varepsilon}^{s}u+V(x)u=f(|u|^{2})u \quad \mbox{ in } \mathbb{R}^{N},…

Analysis of PDEs · Mathematics 2017-09-26 Vincenzo Ambrosio , Pietro d'Avenia

A one-dimensional generalized nonlinear Schroedinger equation is considered, and the corresponding inverse scattering problem is analyzed when the potential is compactly supported and depends on the wave function. The unique recovery of the…

Mathematical Physics · Physics 2007-05-23 Tuncay Aktosun , Vassilis G. Papanicolaou , Vassilis Zisis

In this paper our objective is to investigate the existence of multiple normalized solutions to the logarithmic Schr\"{o}dinger equation given by \begin{align*} \left\{ \begin{aligned} &-\epsilon^2 \Delta u+V( x)u=\lambda u+u \log u^2,…

Analysis of PDEs · Mathematics 2023-07-04 Claudianor O. Alves , Chao Ji

In this article, we aim to study the scattering of the solution to the focusing inhomogeneous nonlinear Schr\"odinger equation with a potential of form \begin{align*} i\partial_t u+\Delta u- Vu=-|x|^{-b}|u|^{p-1}u \end{align*} in the energy…

Analysis of PDEs · Mathematics 2024-01-05 Fanfei Meng , Sheng Wang , Chengbin Xu

We consider the nonlinear Schr{\"o}dinger equation with double power nonlinearity. We extend the scattering result in [17] for all L 2-supercritical powers, specially, our results adapt to the cases of energy-supercritical nonlinearity.

Analysis of PDEs · Mathematics 2024-11-22 Thomas Duyckaerts , Phan van Tin

Some focusing coupled Schrodinger equations are investigated. First, existence of ground state is obtained. Second, global and non global existence of solutions are discussed via potential-well method. Finally, strong instability of…

Analysis of PDEs · Mathematics 2015-05-29 Tarek Saanouni