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2018 On the existence of ground states of nonlinear fractional Schrödinger systems with close-to-periodic potentials
Gongming Wei, Xueliang Duan
Rocky Mountain J. Math. 48(5): 1647-1683 (2018). DOI: 10.1216/RMJ-2018-48-5-1647

Abstract

We are concerned with the nonlinear fractional Schrödinger system \begin{equation} \begin{cases}(-\Delta )^{s} u+V_{1}(x)u=f(x,u)+\Gamma (x)|u|^{q-2}u|v|^{q} &\mbox {in } \mathbb {R}^{N},\\ (-\Delta )^{s} v+V_{2}(x)v=g(x,v)+\Gamma (x)|v|^{q-2}v|u|^{q} &\mbox {in } \mathbb {R}^{N},\\ u,v\in H^{s}(\mathbb {R}^{N}), \end{cases} \end{equation} where $(-\Delta )^{s}$ is the fractional Laplacian operator, $s\in (0,1)$, $N>2s$, $4\leq 2q\lt p\lt 2^{\ast }$, $2^{\ast }={2N}/({N-2s})$. $V_{i}(x)=V^{i}_{per }(x)+V^{i}_{loc }(x)$ is closed-to-periodic for $i=1,2$, $f$ and $g$ have subcritical growths and $\Gamma (x)\geq 0$ vanishes at infinity. Using the Nehari manifold minimization technique, we first obtain a bounded minimizing sequence, and then we adopt the approach of Jeanjean-Tanaka (2005) to obtain a decomposition of the bounded Palais-Smale sequence. Finally, we prove the existence of ground state solutions for the nonlinear fractional Schrödinger system.

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Gongming Wei. Xueliang Duan. "On the existence of ground states of nonlinear fractional Schrödinger systems with close-to-periodic potentials." Rocky Mountain J. Math. 48 (5) 1647 - 1683, 2018. https://doi.org/10.1216/RMJ-2018-48-5-1647

Information

Published: 2018
First available in Project Euclid: 19 October 2018

zbMATH: 06958796
MathSciNet: MR3866563
Digital Object Identifier: 10.1216/RMJ-2018-48-5-1647

Subjects:
Primary: 35A15, 35J60

Rights: Copyright © 2018 Rocky Mountain Mathematics Consortium

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Vol.48 • No. 5 • 2018
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