Existence of normalized solutions for the Schrödinger equation

<p>In this paper, we devote to studying the existence of normalized solutions for the following Schrödinger equation with Sobolev critical nonlinearities.</p> <p class="disp_formula">$ \begin{align*} &amp;\left\{\begin{array}{ll} -\Delta u = \lambda u+\mu\lvert...

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Main Authors: Shengbing Deng, Qiaoran Wu
Format: Article
Language:English
Published: AIMS Press 2023-09-01
Series:Communications in Analysis and Mechanics
Subjects:
Online Access:https://www.aimspress.com/article/doi/10.3934/cam.2023028?viewType=HTML
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author Shengbing Deng
Qiaoran Wu
author_facet Shengbing Deng
Qiaoran Wu
author_sort Shengbing Deng
collection DOAJ
description <p>In this paper, we devote to studying the existence of normalized solutions for the following Schrödinger equation with Sobolev critical nonlinearities.</p> <p class="disp_formula">$ \begin{align*} &amp;\left\{\begin{array}{ll} -\Delta u = \lambda u+\mu\lvert u \rvert^{q-2}u+\lvert u \rvert^{p-2}u&amp;{\mbox{in}}\ \mathbb{R}^N,\\ \int_{\mathbb{R}^N}\lvert u\rvert^2dx = a^2, \end{array}\right. \end{align*} $</p> <p>where $ N\geqslant 3 $, $ 2 &lt; q &lt; 2+\frac{4}{N} $, $ p = 2^* = \frac{2N}{N-2} $, $ a, \mu &gt; 0 $ and $ \lambda\in\mathbb{R} $ is a Lagrange multiplier. Since the existence result for $ 2+\frac{4}{N} &lt; p &lt; 2^* $ has been proved, using an approximation method, that is let $ p\rightarrow 2^* $, we obtain that there exists a mountain-pass type solution for $ p = 2^* $.</p>
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spelling doaj.art-2fea7bb8ea3e4373b8642e4bc507b9322024-01-09T05:58:22ZengAIMS PressCommunications in Analysis and Mechanics2836-33102023-09-0115357558510.3934/cam.2023028Existence of normalized solutions for the Schrödinger equationShengbing Deng0Qiaoran Wu1School of Mathematics and Statistics, Southwest University, Chongqing, 400715, P.R. ChinaSchool of Mathematics and Statistics, Southwest University, Chongqing, 400715, P.R. China<p>In this paper, we devote to studying the existence of normalized solutions for the following Schrödinger equation with Sobolev critical nonlinearities.</p> <p class="disp_formula">$ \begin{align*} &amp;\left\{\begin{array}{ll} -\Delta u = \lambda u+\mu\lvert u \rvert^{q-2}u+\lvert u \rvert^{p-2}u&amp;{\mbox{in}}\ \mathbb{R}^N,\\ \int_{\mathbb{R}^N}\lvert u\rvert^2dx = a^2, \end{array}\right. \end{align*} $</p> <p>where $ N\geqslant 3 $, $ 2 &lt; q &lt; 2+\frac{4}{N} $, $ p = 2^* = \frac{2N}{N-2} $, $ a, \mu &gt; 0 $ and $ \lambda\in\mathbb{R} $ is a Lagrange multiplier. Since the existence result for $ 2+\frac{4}{N} &lt; p &lt; 2^* $ has been proved, using an approximation method, that is let $ p\rightarrow 2^* $, we obtain that there exists a mountain-pass type solution for $ p = 2^* $.</p>https://www.aimspress.com/article/doi/10.3934/cam.2023028?viewType=HTMLnormalized solutionsschrödinger equationsobolev critical nonlinearitiesapproximation methodmountain-pass type solution
spellingShingle Shengbing Deng
Qiaoran Wu
Existence of normalized solutions for the Schrödinger equation
Communications in Analysis and Mechanics
normalized solutions
schrödinger equation
sobolev critical nonlinearities
approximation method
mountain-pass type solution
title Existence of normalized solutions for the Schrödinger equation
title_full Existence of normalized solutions for the Schrödinger equation
title_fullStr Existence of normalized solutions for the Schrödinger equation
title_full_unstemmed Existence of normalized solutions for the Schrödinger equation
title_short Existence of normalized solutions for the Schrödinger equation
title_sort existence of normalized solutions for the schrodinger equation
topic normalized solutions
schrödinger equation
sobolev critical nonlinearities
approximation method
mountain-pass type solution
url https://www.aimspress.com/article/doi/10.3934/cam.2023028?viewType=HTML
work_keys_str_mv AT shengbingdeng existenceofnormalizedsolutionsfortheschrodingerequation
AT qiaoranwu existenceofnormalizedsolutionsfortheschrodingerequation