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arXiv 2011.09793math.APmath-phmath.MP
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Schrödinger-Born-Infeld系统的微扰方法:亚临界和临界情况下的解

A perturbation approach for the Schrödinger-Born-Infeld system: solutions in the subcritical and critical case

Gaetano Siciliano, Zhisu Liu

摘要:

本文研究了具有一般非线性项$$ \left\{ \begin{array}{ll} -\triangle u+u+ϕu=f(u)+μ|u|^4u\,\,&\mbox{in}\,\,\R^3,\\ -\textrm{div}\displaystyle\bigg(\frac{\nablaϕ}{\sqrt{1-|\nablaϕ|^2}}\bigg)=u^2&\mbox{in}\,\,\R^3,\\ u(x)\rightarrow0,\,\,ϕ(x)\rightarrow0,&\,\text{as}\,\,x\rightarrow\infty, \end{array} \right. $$的Schrödinger-Born-infeld系统,其中$μ\geq0$和$f\in C(\R,\R)$满足适当的假设.该系统是由非线性薛定谔方程和Born-Infeld理论适当耦合而成。我们利用一种新的扰动方法证明了上述系统在亚临界和临界情形下非平凡解的存在性和多重性。我们强调,我们的研究结果涵盖的情况下$f(u)=|u|^{p-1}u$的$p\in(2,{5}/{2}]$和$μ=0$这是留在\cite{Azzollini19}作为一个开放的问题。

英文摘要:

In this paper, we study the following Schrödinger-Born-infeld system with a general nonlinearity $$ \left\{ \begin{array}{ll} -\triangle u+u+ϕu=f(u)+μ|u|^4u\,\,&\mbox{in}\,\,\R^3,\\ -\textrm{div}\displaystyle\bigg(\frac{\nablaϕ}{\sqrt{1-|\nablaϕ|^2}}\bigg)=u^2&\mbox{in}\,\,\R^3,\\ u(x)\rightarrow0,\,\,ϕ(x)\rightarrow0,&\,\text{as}\,\,x\rightarrow\infty, \end{array} \right. $$ where $μ\geq0$ and $f\in C(\R,\R)$ satisfies suitable assumptions. This system arises from a suitable coupling of the nonlinear Schrödinger equation and the Born-Infeld theory. We use a new perturbation approach to prove the existence and multiplicity of nontrivial solutions of the above system in the subcritical and critical case. We emphasise that our results cover the case $f(u)=|u|^{p-1}u$ for $p\in(2,{5}/{2}]$ and $μ=0$ which was left in \cite{Azzollini19} as an open problem.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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