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In this paper, we prove the scattering for radial solutions to energy-critical nonlinear Schr\"odinger equations with regular potentials in defocusing case.

Analysis of PDEs · Mathematics 2017-03-13 Xing Cheng , Ze Li , Lifeng Zhao

Using similarity transformations we construct explicit solutions of the nonlinear Schrodinger equation with linear and nonlinear periodic potentials. We present explicit forms of spatially localized and periodic solutions, and study their…

Pattern Formation and Solitons · Physics 2015-05-13 Juan Belmonte Beitia , Vladimir V. Konotop , Victor M. Perez Garcia , Vadym E. Vekslerchik

The Schroedinger equation with the nonlinearity concentrated at a single point proves to be an interesting and important model for the analysis of long-time behavior of solutions, such as the asymptotic stability of solitary waves and…

Analysis of PDEs · Mathematics 2009-11-11 Alexander Komech , Andrew Komech

We consider an elliptic system of Schr\"odinger-Bopp-Podolsky type in a bounded and smooth domain of R3 with a non constant coupling factor. This kind of system has been introduced in the mathematical literature in [14] and in the last…

Analysis of PDEs · Mathematics 2026-03-11 Gaetano Siciliano

Using variational methods we prove some results about existence and multiplicity of positive bound states of to the following Schr\"odinger-Poisson system: $$ \left\{ \begin{array}{l} \vspace{2mm} -\Delta u+V(x)u+K(x)\phi(x)u=u^5 -\Delta…

Analysis of PDEs · Mathematics 2018-02-08 Giovanna Cerami , Riccardo Molle

The focusing nonlinear Schrodinger equation possesses special non-dispersive solitary type solutions, solitons. Under certain spectral assumptions we show existence and asymptotic stability of solutions with the asymptoic profile (as time…

Analysis of PDEs · Mathematics 2007-05-23 I. Rodnianski , W. Schlag , A. Soffer

The existence of compactons in the discrete nonlinear Schr\"odinger equation in the presence of fast periodic time modulations of the nonlinearity is demonstrated. In the averaged DNLS equation the resulting effective inter-well tunneling…

Pattern Formation and Solitons · Physics 2015-05-20 F. Kh. Abdullaev , P. G. Kevrekidis , M. Salerno

We consider the focusing energy-critical inhomogeneous nonlinear Schr\"{o}dinger equation \[ iu_t + \Delta u = -|x|^{-b}|u|^{\alpha}u \] where $n \geq 3$, $0<b<\min(2, n/2)$, and $\alpha=(4-2b)/(n-2)$. We prove the global well-posedness and…

Analysis of PDEs · Mathematics 2024-10-17 Dongjin Park

This paper concerns the existence of multiple solutions for the fractional logarithmic Schr\"odinger-Possion system of the form \begin{equation*} \begin{cases} {\varepsilon}^{2\alpha} (-\Delta )^{\alpha}u+V(x) u+\phi u=u \log u^{2}+u^{q-1},…

Analysis of PDEs · Mathematics 2025-08-25 Jiao Luo , Zhipeng Yang

We consider some nonlinear fractional Schr\"odinger equations with magnetic field and involving continuous nonlinearities having subcritical, critical or supercritical growth. Under a local condition on the potential, we use minimax methods…

Analysis of PDEs · Mathematics 2019-03-26 Vincenzo Ambrosio

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 nonlinear Schr\"{o}dinger-Poisson system which reduces to the nonlinear and nonlocal equation \[- \Delta u+ u + \lambda^2 \left(\frac{1}{\omega|x|^{N-2}}\star \rho u^2\right) \rho(x) u = |u|^{q-1} u \quad x \in \mathbb R^N, \]…

Analysis of PDEs · Mathematics 2021-07-28 Tomas Dutko , Carlo Mercuri , Teresa Megan Tyler

In this paper we study the existence of solutions to nonlinear Schr\"odinger systems with mixed couplings of attractive and repulsive forces, which arise from the models in Bose-Einstein condensates and nonlinear optics. In particular, we…

Analysis of PDEs · Mathematics 2025-03-25 Qing Guo , Angela Pistoia , Shixin Wen

The paper deals with the existence of non-radial solutions for an $N$-coupled nonlinear elliptic system. In the repulsive regime with some structure conditions on the coupling and for each symmetric subspace of rotation symmetry, we prove…

Analysis of PDEs · Mathematics 2023-09-12 Xiaopeng Huang , Haoyu Li , Zhi-Qiang Wang

In this paper a nonlinear coupled Schrodinger system in the presence of mixed cubic and superlinear power laws is considered. Focus are made on the steady state solutions of the continuous system for existence and uniqueness by minimizing…

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

This paper is devoted to study the existence and multiplicity solutions for the nonlinear Schr\"odinger-Poisson systems involving fractional Laplacian operator: \begin{equation}\label{eq*} \left\{ \aligned &(-\Delta)^{s} u+V(x)u+ \phi…

Analysis of PDEs · Mathematics 2015-07-07 Jinguo Zhang

We prove a nonlinear Poisson type formula for the Schrodinger group. Such a formula had been derived in a previous paper by the authors, as a consequence of the study of the asymptotic behavior of nonlinear wave operators for small data. In…

Analysis of PDEs · Mathematics 2007-09-11 Rémi Carles , Tohru Ozawa

We prove asymptotic stability of the Poisson homogeneous equilibrium among solutions of the Vlassov-Poisson system in the Euclidean space $\mathbb{R}^3$. More precisely, we show that small, smooth, and localized perturbations of the Poisson…

Analysis of PDEs · Mathematics 2024-01-30 Alexandru Ionescu , Benoit Pausader , Xuecheng Wang , Klaus Widmayer

The concentration compactness framework for semilinear elliptic equations without compactness, set originally by P.-L.Lions for constrained minimization in the case of homogeneous nonlinearity, is extended here to the case of general…

Analysis of PDEs · Mathematics 2007-05-23 Kyril TIntarev

We consider the Cauchy problem for nonlinear Schr\"odinger equations in a general domain $\Omega\subset\mathbb{R}^N$. Construction of solutions has been only done by classical compactness method in previous results. Here, we construct…

Analysis of PDEs · Mathematics 2025-02-27 Masayuki Hayashi