Advances in Differential Equations

Multi-bump solutions for fractional Schrödinger equation with electromagnetic fields and critical nonlinearity

Sihua Liang, Nguyen Thanh Chung, and Binlin Zhang

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Abstract

In this article, we consider the existence of multi-bump solutions for a class of the fractional Schrödinger equation with external magnetic field and critical nonlinearity in $\mathbb{R}^N$: $$(-\Delta)_A^su + (\lambda V(x) + Z(x))u = \beta f(|u|^2)u + |u|^{2_s^\ast-2}u,$$ where $f$ is a continuous function satisfying Ambrosetti-Rabinowitz condition, and $V: \mathbb{R}^N \rightarrow\mathbb{R}$ has a potential well $\Omega := \mbox{int}V^{-1}(0)$ which possesses $k$ disjoint bounded components $\Omega := \cup_{j=1}^k\Omega_j$. By using variational methods, we prove that if the parameter $\lambda > 0$ is large enough, then the equation has at least $2^k-1$ multi-bump solutions.

Article information

Source
Adv. Differential Equations, Volume 25, Number 7/8 (2020), 423-456.

Dates
First available in Project Euclid: 14 July 2020

Permanent link to this document
https://projecteuclid.org/euclid.ade/1594692077

Mathematical Reviews number (MathSciNet)
MR4122515

Zentralblatt MATH identifier
07243149

Subjects
Primary: 35J10: Schrödinger operator [See also 35Pxx] 35B99: None of the above, but in this section 35J60: Nonlinear elliptic equations 47G20: Integro-differential operators [See also 34K30, 35R09, 35R10, 45Jxx, 45Kxx]

Citation

Liang, Sihua; Chung, Nguyen Thanh; Zhang, Binlin. Multi-bump solutions for fractional Schrödinger equation with electromagnetic fields and critical nonlinearity. Adv. Differential Equations 25 (2020), no. 7/8, 423--456. https://projecteuclid.org/euclid.ade/1594692077


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