Abstract
In the present paper, we develop a direct approach to find nontrivial solutions and ground state solutions for the following planar Schrödinger equation:
where V(x) is an 1-periodic function with respect to \(x_1\) and \(x_2\), 0 lies in a gap of the spectrum of \(-\Delta +V\) , and f(x, t) behaves like \(\pm e^{\alpha t^2}\) as \(t\rightarrow \pm \infty \) uniformly on \(x\in {\mathbb {R}}^2\). Our theorems extend and improve the results of de Figueiredo-Miyagaki-Ruf (Calc Var Partial Differ Equ, 3(2):139–153, 1995), of de Figueiredo-do Ó-Ruf (Indiana Univ Math J, 53(4):1037–1054, 2004), of Alves-Souto-Montenegro (Calc Var Partial Differ Equ 43: 537–554, 2012), of Alves-Germano (J Differ Equ 265: 444–477, 2018) and of do Ó-Ruf (NoDEA 13: 167–192, 2006).
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Communicated by A. Malchiodi.
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This work is partially supported by the National Natural Science Foundation of China (No: 11971485; No: 12001542)
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Chen, S., Tang, X. On the planar Schrödinger equation with indefinite linear part and critical growth nonlinearity. Calc. Var. 60, 95 (2021). https://doi.org/10.1007/s00526-021-01963-1
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DOI: https://doi.org/10.1007/s00526-021-01963-1
Keywords
- Planar Schrödinger equation
- Critical exponential growth
- Indefinite elliptic operator
- Trundiger-Moser inequality