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Spiraling solutions of nonlinear Schrödinger equations

Published online by Cambridge University Press:  24 May 2021

Oscar Agudelo Open the ORCID record for Oscar Agudelo [Opens in a new window] ,
Joel Kübler  and
Tobias Weth
Oscar Agudelo
Affiliation:
NTIS - New Technologies for the Information Society, Faculty of Applied Sciences, Technicka 8, Pilsen 301 00, Czech Republic [email protected]
Joel Kübler
Affiliation:
Institut für Mathematik, Goethe-Universität Frankfurt, Robert-Mayer-Straße 10, 60629 Frankfurt am Main, Germany [email protected]; [email protected]
Tobias Weth
Affiliation:
Institut für Mathematik, Goethe-Universität Frankfurt, Robert-Mayer-Straße 10, 60629 Frankfurt am Main, Germany [email protected]; [email protected]
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Abstract

We study a new family of sign-changing solutions to the stationary nonlinear Schrödinger equation

\[ -\Delta v +q v =|v|^{p-2} v, \qquad \text{in}\,{ {\mathbb{R}^{3}},} \]
with $2 < p < \infty$ and $q \ge 0$. These solutions are spiraling in the sense that they are not axially symmetric but invariant under screw motion, i.e., they share the symmetry properties of a helicoid. In addition to existence results, we provide information on the shape of spiraling solutions, which depends on the parameter value representing the rotational slope of the underlying screw motion. Our results complement a related analysis of Del Pino, Musso and Pacard in their study (2012, Manuscripta Math., 138, 273–286) for the Allen–Cahn equation, whereas the nature of results and the underlying variational structure are completely different.

Keywords

elliptic equationssign-changing solutionsscrew motion invarianceasymptoyic analysisvariational methods
Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh Section A: Mathematics , Volume 152 , Issue 3 , June 2022 , pp. 592 - 625
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of The Royal Society of Edinburgh

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