On concentration phenomena of least energy solutions to nonlinear Schrödinger equations with totally degenerate potentials
type: Item
instance of: scholarly article
title: On concentration phenomena of least energy solutions to nonlinear Schrödinger equations with totally degenerate potentials
zbMATH Open document ID: 1403.35279
author: Shun Kodama
published in: Tokyo Journal of Mathematics
publication date: 2018-04-04T00:00:00Z
full work available at URL: https://projecteuclid.org/euclid.tjm/1515466839
review text: This paper consider the NLS equation with an electric potential \(V\) \[ -h^{2}\Delta u+V\left( x\right) u=f\left( u\right) \text{ in }\mathbb{R}^{N},\text{ }u>0,\text{ }u\in H^{1}\left( \mathbb{R}^{N}\right),\tag{1} \] where \(h>0,\) the dimension \(N\geq1\), the potential \(V\) is assumed to satisfy the following: \(V\in C^{1}\left( \mathbb{R}^{N};\mathbb{R}\right) ,\) \(V\left( x\right) \rightarrow+\infty,\) as \(\left| x\right| \rightarrow+\infty,\) and \(\inf_{x\in\mathbb{R}^{N}}V\left( x\right) =1\) and \(f\) is the nonlinear term which in the simplest settings includes the case \(f\left( t\right) =t^{p}\) with \(1<p<\infty,\) if \(N=1,2,\) and \(1<p<\left( N+2\right) /\left( N-2\right) \) if \(N\geq3.\) The author studies the concentration phenomena of the least energy solution for the settled problem. More precisely, he studies the asymptotic location of the concentration point of the least energy solutions. The author extends the result of the paper [\textit{G. Lu} and \textit{J. Wei}, C. R. Acad. Sci., Paris, Sér. I, Math. 326, No. 6, 691--696 (1998; Zbl 0911.35047)] where the precise asymptotic location of the concentration point of the least energy solutions for (1) with \(f\left( t\right) =t^{p}\) were considered. This extension is in several directions. Firstly, the author considers more general nonlinearities \(f\left( u\right) .\) Also, he drops the connectivity condition of the interior of \(\Omega=\{\left. x\in \mathbb{R}^{N}\right| V\left( x\right) =\inf_{y\in\mathbb{R}^{N}}V\left( y\right) \}\) and he relaxes the assumptions on \(V\). The proof is based on a modification of the method developed in [\textit{M. del Pino} and \textit{P. L. Felmer}, Indiana Univ. Math. J. 48, No. 3, 883--898 (1999; Zbl 0932.35080)] employing the rearrangement technique, without using the so-called uniqueness-non degeneracy assumption.
Mathematics Subject Classification ID: 35Q55
Mathematics Subject Classification ID: 35B40
Mathematics Subject Classification ID: 35J20
zbMATH DE Number: 6855948
zbMATH Keywords: nonlinear Schrödinger equation
zbMATH Keywords: least energy solution
zbMATH Keywords: concentration phenomenon
reviewed by: I. P. Naumkin
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 6855948