(Sub)critical Operators and Spectral Capacities of Rational Frequency Approximants
We consider one-frequency quasi-periodic Schrödinger operators with analytic potentials. Denoting by $S_+$ the union of the spectra taken over the phase, we study continuity of logarithmic capacities of $S_+$ upon rational approximation. We show that if the Lyapunov exponent is zero on the spectrum,...
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| Date: | 2024 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна Національної академії наук України
2024
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| Subjects: | |
| Online Access: | https://jmag.ilt.kharkiv.ua/index.php/jmag/article/view/1087 |
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| Journal Title: | Journal of Mathematical Physics, Analysis, Geometry |