Journal
JOURNAL OF DIFFERENTIAL EQUATIONS
Volume 328, Issue -, Pages 261-294Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2022.05.002
Keywords
Higher order fractional Schr?dinger-Poisson systems; Schr?dinger-Newton equations; Nonlocal nonlinear elliptic equations; Weighted Trudinger-Moser type inequalities in RN; Variational methods
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This paper investigates the strong coupling between the N-Laplacian Schrodinger equation and higher order fractional Poisson's equations. When the order of the Riesz potential is equal to the Euclidean dimension, the system is equivalent to a nonlocal Choquard type equation. In order to define the energy and prove the existence of finite energy solutions, a suitable log-weighted variant of the Pohozaev-Trudinger inequality is introduced.
We consider the N-Laplacian Schrodinger equation strongly coupled with higher order fractional Poisson's equations. When the order of the Riesz potential alpha is equal to the Euclidean dimension N, and thus it is a logarithm, the system turns out to be equivalent to a nonlocal Choquard type equation. On the one hand, the natural function space setting in which the Schrodinger energy is well defined is the Sobolev limiting space W 1,N (RN), where the maximal nonlinear growth is of exponential type. On the other hand, in order to have the nonlocal energy well defined and prove the existence of finite energy solutions, we introduce a suitable log-weighted variant of the Pohozaev-Trudinger inequality which provides a suitable functional framework where we use variational methods. (c) 2022 Elsevier Inc. All rights reserved.
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