# On a class of mixed Choquard-Schrödinger-Poisson systems

@article{Ghergu2019OnAC,
title={On a class of mixed Choquard-Schr{\"o}dinger-Poisson systems},
author={Marius Ghergu and Gurpreet Singh},
journal={Discrete \& Continuous Dynamical Systems - S},
year={2019}
}
• Published 13 September 2016
• Mathematics
• Discrete & Continuous Dynamical Systems - S
We study the system $$\left\{ -\Delta u+u+K(x) \phi |u|^{q-2}u&=(I_\alpha*|u|^p)|u|^{p-2}u &&\mbox{ in }{\mathbb R}^N, -\Delta \phi&=K(x)|u|^q&&\mbox{ in }{\mathbb R}^N, \right.$$ where $N\geq 3$, $\alpha\in (0,N)$, $p,q>1$ and $K\geq 0$. Using a Pohozaev type identity we first derive conditions in terms of $p,q,N,\alpha$ and $K$ for which no solutions exist. Next, we discuss the existence of a ground state solution by using a variational approach.
8 Citations
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