In this article, we study constrained minimizers of the following variational problem ε(p):={u∈H1 inf(R3),||u||22=p} E(u),ρ〉0,where E(u) is the SchrSdinger-Poisson-Slater (SPS) energy functional E(...In this article, we study constrained minimizers of the following variational problem ε(p):={u∈H1 inf(R3),||u||22=p} E(u),ρ〉0,where E(u) is the SchrSdinger-Poisson-Slater (SPS) energy functional E(u):1/2∫R3|△u(x)|2dx-1/4∫R3∫R3u2(y)u2(x)/|x-y|dydx-1/p∫R3|u(x)∫pdx in R3,and p ∈ (2,6). We prove the existence of minimizers for the cases 2 〈 p 〈10/3, p 〉 0, and P =10/3, 0 〈 p 〈 p*, and show that e(ρ) = -∞ for the other cases, where p* = ||φ||22 and φ(x) is the unique (up to translations) positive radially symmetric solution of -△u + u = u7/3 in R3. Moreover, when e(ρ*) = -∞, the blow-up behavior of minimizers as p/p* is also analyzed rigorously.展开更多
基金partially supported by National Natural Science Foundation of China(11671394)
文摘In this article, we study constrained minimizers of the following variational problem ε(p):={u∈H1 inf(R3),||u||22=p} E(u),ρ〉0,where E(u) is the SchrSdinger-Poisson-Slater (SPS) energy functional E(u):1/2∫R3|△u(x)|2dx-1/4∫R3∫R3u2(y)u2(x)/|x-y|dydx-1/p∫R3|u(x)∫pdx in R3,and p ∈ (2,6). We prove the existence of minimizers for the cases 2 〈 p 〈10/3, p 〉 0, and P =10/3, 0 〈 p 〈 p*, and show that e(ρ) = -∞ for the other cases, where p* = ||φ||22 and φ(x) is the unique (up to translations) positive radially symmetric solution of -△u + u = u7/3 in R3. Moreover, when e(ρ*) = -∞, the blow-up behavior of minimizers as p/p* is also analyzed rigorously.