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We analyze $L^2$-normalized solutions of nonlinear Schr\"odinger systems of Gross-Pitaevskii type, on bounded domains, with homogeneous Dirichlet boundary conditions. We provide sufficient conditions for the existence of orbitally stable…

Analysis of PDEs · Mathematics 2019-03-27 Benedetta Noris , Hugo Tavares , Gianmaria Verzini

In this paper, we consider the existence of positive solutions with prescribed $L^2$-norm for the following nonlinear Schr\"{o}dinger equation involving potential and Sobolev critical exponent \begin{equation*} \begin{cases} -\Delta…

Analysis of PDEs · Mathematics 2023-12-27 Zhen-Feng Jin , Weimin Zhang

We study the Schr\"{o}dinger-Poisson-Slater equation \begin{equation*}\left\{\begin{array}{lll} -\Delta u + \lambda u + \big(|x|^{-1} \ast |u|^{2}\big)u = V(x) u^{ p_{\varepsilon}-1 }, \, \text{ in } \mathbb{R}^{3},\\[2mm]…

Analysis of PDEs · Mathematics 2025-01-13 Qidong Guo , Rui He , Qiaoqiao Hua , Qingfang Wang

We find a normalized solution $u=(u_1,\ldots,u_K)$ to the system of $K$ coupled nonlinear Schr\"odinger equations \begin{equation*} \left\{ \begin{array}{l} -\Delta u_i+ \lambda_i u_i = \sum_{j=1}^K\beta_{i,j}u_i|u_i|^{p/2-2}|u_j|^{p/2}…

Analysis of PDEs · Mathematics 2025-02-26 Jarosław Mederski , Andrzej Szulkin

In this paper we prove the existence of normalized solutions $(\lambda,u)\subset (0,\infty)\times H^1(\mathbb{R}^3)$ to the following Schr\"{o}dinger-Poisson equation $$ \begin{cases} -\Delta u+V(x)u+\lambda u+(|x|^{-1}\ast…

Analysis of PDEs · Mathematics 2024-12-16 Xueqin Peng , Matteo Rizzi

We investigate normalized groundstates for mixed $(p,2)$-Laplacian equations \begin{align*} \begin{cases} -\Delta_p u-\Delta u+\lambda u=f(u) & \text{in } \mathbb{R}^2, \displaystyle \int_{\mathbb{R}^2}|u|^2\,\mathrm{d}x=m, u\in…

Analysis of PDEs · Mathematics 2026-05-20 Jiankang Xia , Chao Zhong

In present paper, we prove the existence of solutions $(\lambda, u)\in \R\times H^1(\R^N)$ to the following Schr\"odinger equation $$ \begin{cases} -\Delta u(x)+V(x)u(x)+\lambda u(x)=g(u(x))\quad &\hbox{in}~\R^N\\ 0\leq u(x)\in H^1(\R^N),…

Analysis of PDEs · Mathematics 2021-11-03 Yanheng Ding , Xuexiu Zhong

In the present paper, we prove the existence of solutions $(\lambda_1,\lambda_2,u,v)\in\mathbb{R}^2\times H^1(\mathbb{R}^3,\mathbb{R}^2)$ to systems of coupled Schr\"odinger equations $$ \begin{cases} -\Delta u+\lambda_1u=\mu_1 u^3+\beta…

Analysis of PDEs · Mathematics 2023-01-13 Thomas Bartsch , Xuexiu Zhong , Wenming Zou

In the present paper, we study the existence of normalized solutions to the following Kirchhoff type equations \begin{equation*} -\left(a+b\int_{\R^3}|\nabla u|^2\right)\Delta u+V(x)u+\lambda u=g(u)~\hbox{in}~\R^3 \end{equation*} satisfying…

Analysis of PDEs · Mathematics 2023-04-17 Leilei Cui , Qihan He , Zongyan Lv , Xuexiu Zhong

In this paper, we consider the existence and asymptotic properties of solutions to the following Kirchhoff equation \begin{equation}\label{1}\nonumber - \Bigl(a+b\int_{{\R^3}} {{{\left| {\nabla u} \right|}^2}}\Bigl) \Delta u =\lambda u+ {|…

Analysis of PDEs · Mathematics 2021-03-16 Gongbao Li , Xiao Luo , Tao Yang

We study the existence of normalized solutions to the following logarithmic Schr\"{o}dinger equation \begin{equation*}\label{eqs01} -\Delta u+\lambda u=\alpha u\log u^2+\mu|u|^{p-2}u, \ \ x\in\R^N, \end{equation*} under the mass constraint…

Analysis of PDEs · Mathematics 2023-04-18 Wei Shuai , Xiaolong Yang

We consider the following two-component coupled nonlinear Schr\"odinger (CNLS) system: \[ \begin{cases} -\Delta u +(P(x) + \lambda ) u=\mu_1 u^3+\beta u v^2, & \text{in } \mathbb{R}^N,\\ -\Delta v +(Q(x) + \lambda ) v =\mu_2 v^3+\beta vu^2,…

Analysis of PDEs · Mathematics 2026-05-01 Wenhao Hu , Benniao Li , Wei Long , Chunhua Wang

In this paper, we prove the existence of positive solutions $(\lambda_1,\lambda_2, u,v)\in \R^2\times H^1(\R^N, \R^2)$ to the following coupled Schr\"odinger system $$\begin{cases} -\Delta u + \lambda_1 u= \mu_1|u|^{p-2}u+\beta v \quad…

Analysis of PDEs · Mathematics 2021-08-03 Zhen Chen , Xuexiu Zhong , Wenming Zou

In this paper, we study normalized solutions to the Chern-Simons-Schr\"odinger system, which is a gauge-covariant nonlinear Sch\"oridnger system with a long-range electromagnetic field, arising in nonrelativistic quantum mechanics theory.…

Analysis of PDEs · Mathematics 2020-12-21 Tianxiang Gou , Zhitao Zhang

In this paper, we consider the following nonlinear Schr\"{o}dinger equations with mixed nonlinearities: \begin{eqnarray*} \left\{\aligned &-\Delta u=\lambda u+\mu |u|^{q-2}u+|u|^{2^*-2}u\quad\text{in }\mathbb{R}^N,\\ &u\in…

Analysis of PDEs · Mathematics 2021-02-09 Juncheng Wei , Yuanze Wu

This paper is concerned with the existence of ground states for a class of Kirchhoff type equation with combined power nonlinearities \begin{equation*} -\left(a+b\int_{\mathbb{R}^{3}}|\nabla u(x)|^{2}\right) \Delta u =\lambda…

Analysis of PDEs · Mathematics 2022-02-16 Penghui Zhang , Zhiqing Han

In this paper, we consider the following zero mass Schr\"{o}dinger-Bopp-Podolsky system \[ \begin{cases} -\Delta u +q^2\phi u=|u|^{p-2}u, -\Delta \phi+a^2\Delta^2\phi=4\pi u^2, \end{cases} \text{ in } \mathbb{R}^3, \] where $a>0$ and $q\ne…

Analysis of PDEs · Mathematics 2025-09-23 Alessio Pomponio , Lianfeng Yang

This paper investigates the existence of normalized solutions for the following Chern-Simons-Schr\"odinger equation: \begin{equation*} \left\{ \begin{array}{ll} -\Delta u+\lambda u+\left(\frac{h^{2}(\vert x\vert)}{\vert…

Analysis of PDEs · Mathematics 2025-05-01 Chenlu Wei , Sitong Chen , Xinao Zhou

We study the following nonlinear Schr\"odinger-Bopp-Podolsky system \[ \begin{cases} -\Delta u + \omega u + q^{2}\phi u = |u|^{p-2}u -\Delta \phi + a^2 \Delta^2 \phi = 4\pi u^2 \end{cases} \hbox{ in }\mathbb{R}^3 \] with $a,\omega>0$. We…

Analysis of PDEs · Mathematics 2018-06-27 Pietro d'Avenia , Gaetano Siciliano

This paper is concerned with existence of normalized ground state solutions for the mass supercritical fractional nonlinear Schr\"{o}dinger equation involving a critical growth in the fractional Sobolev sense. The compactness of…

Analysis of PDEs · Mathematics 2024-12-10 Jiabin Zuo , Yuyou Zhong , Dušan D. Repovš