论文部分内容阅读
We study the following Schrdinger-Poisson system(Pλ)-Δu+V(x)u+λφ(x)u = Q(x)up,x ∈ R3,) -Δφ = u2,lim |x|→+∞φ(x) = 0,u > 0,where λ 0 is a parameter,1 < p < +∞,V (x) and Q(x) are sign-changing or non-positive functions in L∞(R3). When V (x) ≡ Q(x)