Schrödinger operator with decreasing potential in a cylinder
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N. D. Filonov
Translated by: the author - St. Petersburg Math. J. 33 (2022), 155-178
- DOI: https://doi.org/10.1090/spmj/1694
- Published electronically: December 28, 2021
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Abstract:
The Schrödinger operator $-\Delta + V(x,y)$ is considered in a cylinder $\mathbb {R}^m \times U$, where $U$ is a bounded domain in $\mathbb {R}^d$. The spectrum of such an operator is studied under the assumption that the potential decreases in longitudinal variables, $|V(x,y)| \le C \langle x\rangle ^{-\rho }$. If $\rho > 1$, then the wave operators exist and are complete; the Birman invariance principle and the limiting absorption principle hold true; the absolute continuous spectrum fills the semiaxis; the singular continuous spectrum is empty; the eigenvalues can accumulate to the thresholds only.References
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Bibliographic Information
- N. D. Filonov
- Affiliation: St. Petersburg Branch, Steklov Institute of Mathematics, Russian Academy of Sciences, Fontanka 27, St. Petersburg 191023, Russia; St. Petersburg State University, Universitetskii pr. 28, Petrodvorets, 198504, St. Petersburg, Russia
- MR Author ID: 609754
- Email: filonov@pdmi.ras.ru
- Received by editor(s): March 7, 2020
- Published electronically: December 28, 2021
- Additional Notes: This work is supported by the project RFBR-CNRS 17-51-150008-a.
- © Copyright 2021 American Mathematical Society
- Journal: St. Petersburg Math. J. 33 (2022), 155-178
- MSC (2020): Primary 35P25; Secondary 35P15
- DOI: https://doi.org/10.1090/spmj/1694
- MathSciNet review: 4219510