Abstract
In this paper, we study the following Chern–Simons–Schrödinger equation
where \(\omega ,\lambda >0\) and \(h(s)=\frac{1}{2}\int _{0}^{s}ru^{2}(r)\hbox {d}r\). Since the nonlinearity g is asymptotically 5-linear at infinity, there would be a competition between g and the nonlocal term. By constrained minimization arguments and the quantitative deformation lemma, we prove the existence of least energy sign-changing radial solution, which changes sign exactly once. Further, we study the concentration of the least energy sign-changing radial solutions as \(\lambda \rightarrow 0\).
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Communicated by Rosihan M. Ali.
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Supported by National Natural Science Foundation of China (No. 11971393).
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Kang, JC., Li, YY. & Tang, CL. Sign-Changing Solutions for Chern–Simons–Schrödinger Equations with Asymptotically 5-Linear Nonlinearity. Bull. Malays. Math. Sci. Soc. 44, 711–731 (2021). https://doi.org/10.1007/s40840-020-00974-z
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DOI: https://doi.org/10.1007/s40840-020-00974-z
Keywords
- Chern–Simons–Schrödinger equation
- Asymptotically 5-linear
- Variational methods
- Least energy sign-changing radial solution
- Concentration