On ground state solutions for some non-autonomous Schrödinger–Poisson systems

In this paper, we study the Schrödinger–Poisson systemequation(SP){−Δu+u+K(x)ϕ(x)u=a(x)f(u),inR3,−Δϕ=K(x)u2,inR3, and prove the existence of ground state solutions for system (SP) under certain assumptions on the linear and nonlinear terms. Some recent results from different authors are extended.