Nonlinear Analysis ( IF 1.3 ) Pub Date : 2020-04-09 , DOI: 10.1016/j.na.2020.111896 Zhi Chen , Dongdong Qin , Wen Zhang
In this paper, we focus our attention on following Schrödinger–Poisson system: where and are small positive parameters. Under a local condition imposed on the potential , we study above system and obtain an infinite sequence of localized sign-changing solutions by applying the symmetric mountain pass theorem. Precisely, these solutions are constructed as higher topological type critical points of the energy functional and concentrated at a local minimum set of the potential . Our method follows the same spirit of Chen and Wang’s method (Chen and Wang, 2017) which does not need any non-degeneracy condition of the limiting equations, but we cannot use it directly due to the presence of nonlocal term . We employ some new analytical skills to overcome the obstacles caused by the nonlocal term, our results improve and extend some related ones in the literature.
中文翻译:
非线性Schrödinger–Poisson系统的高拓扑类型局部节点解
在本文中,我们将注意力集中在以下Schrödinger-Poisson系统上: 哪里 和 是小的正参数。在当地条件下施加潜力,我们研究了上述系统,并通过应用对称山路定理获得了无限的局部符号转换解序列。精确地,这些解决方案被构造为能量功能的较高拓扑类型临界点,并集中在局部最小势能集中。我们的方法遵循Chen和Wang方法(Chen and Wang,2017)的相同精神,该方法不需要限制方程的任何简并性条件,但是由于存在非局部项,因此我们不能直接使用它。我们采用了一些新的分析技能来克服非本地术语所带来的障碍,我们的结果改进并扩展了文献中的一些相关方面。