Bruno Mascaro ; Gaetano Siciliano - Positive Solutions For a Schrödinger-Bopp-Podolsky system in $\mathbb R^{3}$

cm:10363 - Communications in Mathematics, December 13, 2022, Volume 31 (2023), Issue 1 - https://doi.org/10.46298/cm.10363
Positive Solutions For a Schrödinger-Bopp-Podolsky system in $\mathbb R^{3}$

Authors: Bruno Mascaro ; Gaetano Siciliano

    We consider the following Schrödinger-Bopp-Podolsky system in $\mathbb R^{3}$ $$\left\{ \begin{array}{c} -\varepsilon^{2} \Delta u + V(x)u + \phi u = f(u)\\ -\varepsilon^{2} \Delta \phi + \varepsilon^{4} \Delta^{2}\phi = 4\pi\varepsilon u^{2}\\ \end{array} \right.$$ where $\varepsilon > 0$ with $ V:\mathbb{R}^{3} \rightarrow \mathbb{R}, f:\mathbb{R} \rightarrow \mathbb{R}$ satisfy suitable assumptions. By using variational methods, we prove that the number of positive solutions is estimated below by the Ljusternick-Schnirelmann category of $M$, the set of minima of the potential $V$.


    Volume: Volume 31 (2023), Issue 1
    Published on: December 13, 2022
    Accepted on: November 24, 2022
    Submitted on: November 24, 2022
    Keywords: Mathematics - Analysis of PDEs

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