English
Related papers

Related papers: Concentration phenomena for fractional magnetic NL…

200 papers

In this work we deal with a following nonlinear Schrodinger equation in dimension greater or equal to 3, with a subcritical power-type nonlinearity and a positive potential satisfying a local condition. We prove the existence and…

Analysis of PDEs · Mathematics 2015-03-31 Giovany M. Figueiredo , Marcos T. O. Pimenta

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

The Calder\'on problem for the fractional Schr\"odinger equation was introduced in the work \cite{GSU}, which gave a global uniqueness result also in the partial data case. This article improves this result in two ways. First, we prove a…

Analysis of PDEs · Mathematics 2020-02-17 Angkana Rüland , Mikko Salo

In this paper, we are concerned with the following fractional relativistic Schr\"odinger equation with critical growth: \begin{equation*} \left\{ \begin{array}{ll} (-\Delta+m^{2})^{s}u + V(\varepsilon x) u= f(u)+u^{2^{*}_{s}-1} \mbox{ in }…

Analysis of PDEs · Mathematics 2024-02-12 Vincenzo Ambrosio

In this paper, we study the following fractional Schr\"{o}dinger-Poisson system involving competing potential functions \begin{equation*} \left\{ \begin{array}{ll} \varepsilon^{2s}(-\Delta)^su+V(x)u+\phi u=K(x)f(u)+Q(x)|u|^{2_s^{\ast}-2}u,…

Analysis of PDEs · Mathematics 2018-12-26 Kaimin Teng , Ravi P. Agarwal

In this paper we extend the well-known concentration -- compactness principle for the Fractional Laplacian operator in unbounded domains. As an application we show sufficient conditions for the existence of solutions to some critical…

Analysis of PDEs · Mathematics 2018-02-27 Julián Fernández Bonder , Nicolas Saintier , Analía Silva

We study a class of minimization problems for a nonlocal operator involving an external magnetic potential. The notions are physically justified and consistent with the case of absence of magnetic fields. Existence of solutions is obtained…

Analysis of PDEs · Mathematics 2016-11-10 Pietro d'Avenia , Marco Squassina

In this paper, we study the existence and concentration phenomena of solutions for the following non-local regional Schr\"odinger equation $$ \left\{ \begin{array}{l} \epsilon^{2\alpha}(-\Delta)_\rho^{\alpha} u + Q(x)u =…

Analysis of PDEs · Mathematics 2016-11-08 Claudianor O. Alves , César E. Torres Ledesma

The aim of this paper is investigating the existence and multiplicity of weak solutions to non--local equations involving the {\em magnetic fractional Laplacian}, when the nonlinearity is subcritical and asymptotically linear at infinity.…

Analysis of PDEs · Mathematics 2023-12-08 Rossella Bartolo , Pietro d'Avenia , Giovanni Molica Bisci

We study the existence and multiplicity of solutions for a class of fractional Schr\"{o}dinger-Kirchhoff type equations with the Trudinger-Moser nonlinearity. More precisely, we consider \begin{gather*} \begin{cases}…

Analysis of PDEs · Mathematics 2019-06-20 Mingqi Xiang , Binlin Zhang , Dušan Repovš

In this work we study the following class of problems in $\mathbb R^{N}, N>2s$ $$ \varepsilon^{2s} (-\Delta)^{s}u + V(z)u=f(u), \,\,\, u(z) > 0 $$ where $0<s<1$, $(-\Delta)^{s}$ is the fractional Laplacian, $\varepsilon$ is a positive…

Analysis of PDEs · Mathematics 2015-02-05 Giovany M. Figueiredo , Gaetano Siciliano

We consider here solutions of the nonlinear fractional Schr\"odinger equation $$\epsilon^{2s}(-\Delta)^s u+V(x)u=u^p.$$ We show that concentration points must be critical points for $V$. We also prove that, if the potential $V$ is coercive…

Analysis of PDEs · Mathematics 2015-04-27 Mouhamed Moustapha Fall , Fethi Mahmoudi , Enrico Valdinoci

In this paper, we investigate the following fractional Sobolev critical nonlinear Schr\"{o}dinger (NLS) coupled systems: \begin{equation*} \left\{\begin{array}{lll} (-\Delta)^{s} u=\mu_{1}…

Analysis of PDEs · Mathematics 2024-07-23 Jiabin Zuo , Vicenţiu D. Rădulescu

The aim of this paper is to study a concentration-compactness principle for inhomogeneous fractional Sobolev space $H^s (\mathbb{R}^N)$ for $0<s\leq N/2.$ As an application we establish Palais-Smale compactness for the Lagrangian associated…

Analysis of PDEs · Mathematics 2017-04-26 João Marcos do Ó , Diego Ferraz

We construct solutions to the nonlinear magnetic Schr\"odinger equation $$ \left\{ \begin{aligned} - \varepsilon^2 \Delta_{A/\varepsilon^2} u + V u &= \lvert u\rvert^{p-2} u & &\text{in}\ \Omega,\\ u &= 0 & &\text{on}\ \partial\Omega,…

Analysis of PDEs · Mathematics 2017-07-04 Jonathan Di Cosmo , Jean Van Schaftingen

We determine both the magnetic potential and the electric potential from the exterior partial measurements of the Dirichlet-to-Neumann map in the fractional linear magnetic Calder\'on problem by using an integral identity. We also determine…

Analysis of PDEs · Mathematics 2021-06-07 Li Li

It is established the existence and multiplicity of weak solutions for a class of nonlocal equations involving the fractional laplacian, nonlinearities with critical exponential growth and potentials this is which may change sign. The…

Analysis of PDEs · Mathematics 2014-11-19 Manassés de Souza , Yane Lisley Araújo

In this work we analyze a class of nonlinear fractional elliptic systems involving Hardy--type potentials and coupled by critical Hardy-Sobolev--type nonlinearities in $\mathbb{R}^N$. Due to the lack of compactness at the critical exponent…

Analysis of PDEs · Mathematics 2023-06-22 Alejandro Ortega

This paper is concerned with the following fractional Schr\"{o}dinger equations involving critical exponents: \begin{eqnarray*} (-\Delta)^{\alpha}u+V(x)u=k(x)f(u)+\lambda|u|^{2_{\alpha}^{*}-2}u\quad\quad \mbox{in}\ \mathbb{R}^{N},…

Analysis of PDEs · Mathematics 2017-01-10 Xia Zhang , Binlin Zhang , Dušan Repovš

The Schr\"odinger equation in the presence of an external electromagnetic field is an important problem in computational quantum mechanics. It also provides a nice example of a differential equation whose flow can be split with benefit into…

Numerical Analysis · Mathematics 2016-04-28 Marco Caliari , Alexander Ostermann , Chiara Piazzola