Schrödinger-Poisson systems with zero mass in the Sobolev limiting case
arXiv:2310.08460 · doi:10.1002/mana.202300514
Abstract
We study the existence of positive solutions for a class of systems which strongly couple a quasilinear Schrödinger equation driven by a weighted -Laplace operator and without the mass term, and a higher-order fractional Poisson equation. Since the system is considered in , the limiting case for the Sobolev embedding, we consider nonlinearities with exponential growth. Existence is proved relying on the study of a corresponding Choquard equation in which the Riesz kernel is a sign-changing logarithm. This is in turn solved by means of a variational approximating procedure for an auxiliary Choquard equation where the logarithm is uniformly approximated by polynomial kernels.