Journal
JOURNAL OF DIFFERENTIAL EQUATIONS
Volume 275, Issue -, Pages 652-683Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2020.11.021
Keywords
Choquard-Pekar equation; Ground state solution; Strongly indefinite problem; Geometrically distinct solutions
Categories
Funding
- NSFC [11801574, 11971485]
- Natural Science Foundation of Hunan Province [2019JJ50788]
- Central South University InnovationDriven Project for Young Scholars [2019CX022]
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This paper studies the non-autonomous Choquard-Pekar equation, under some general assumptions on the potential W and the nonlinearity f, ground state solutions are proved to exist. Infinitely many geometrically distinct solutions are also constructed using the variational method and deformation arguments.
In this paper, we study the following non-autonomous Choquard-Pekar equation: {-Delta u + V(x)u = (W * F(u)) f(u), x is an element of R-N (N >= 2), u is an element of H-1 (R-N), where the potential V (x) is 1-periodic and 0 lies in a gap of the spectrum of the Schrodinger operator -Delta + V. Under some general assumptions on the potential W and the nonlinearity f , we show the existence of ground state solutions. We also construct infinitely many geometrically distinct solutions by using the variational method and deformation arguments. (C) 2020 Elsevier Inc. All rights reserved.
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