On a planar Schrödinger-Poisson system involving a non-symmetric potential

We prove the existence of a ground state positive solution of Schrödinger-Poisson systems in the plane of the form $-Δu + V(x)u + \fracγ{2π} \left(\log|\cdot| \ast u^2 \right)u = b |u|^{p-2}u \qquad\text{in}\ \mathbb{R}^2,$ where $p>4$, $γ,b>0$ and the potential $V$ is assumed to be positive and unbounded at infinity. On the potential we do not require any symmetry or periodicity assumption, and it is not supposed it has a limit at infinity. We approach the problem by variational methods, using a variant of the mountain pass theorem and the Cerami compactness condition.

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