Stable standing waves for a class of nonlinear Schroedinger-Poisson equations

Abstract

We prove the existence of orbitally stable standing waves with prescribed $L^2$-norm for the following Schrödinger-Poisson type equation \label{intro} %{%{ll} iψ_{t}+ Δψ- (|x|^{-1}*|ψ|^{2}) ψ+|ψ|^{p-2}ψ=0 \text{in} \R^{3}, %-Δϕ= |ψ|^{2}& \text{in} \R^{3},%. when $p\in \{8/3\}\cup (3,10/3)$. In the case $3<p<10/3$ we prove the existence and stability only for sufficiently large $L^2$-norm. In case $p=8/3$ our approach recovers the result of Sanchez and Soler \cite{SS} %concerning the existence and stability for sufficiently small charges. The main point is the analysis of the compactness of minimizing sequences for the related constrained minimization problem. In a final section a further application to the Schrödinger equation involving the biharmonic operator is given.

References in corpus (2)

• Ground state solutions to the nonlinear Schrodinger-Maxwell equations
• Nonlinear Schrödinger equations with strongly singular potentials

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