The Dry Ten Martini Problem for Sturmian Hamiltonians

Fuente: arXiv
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Autores principales: Band, Ram, Beckus, Siegfried, Loewy, Raphael
Formato: Preprint
Publicado: 2024
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author Band, Ram
Beckus, Siegfried
Loewy, Raphael
author_facet Band, Ram
Beckus, Siegfried
Loewy, Raphael
contents The Dry Ten Martini Problem for Sturmian Hamiltonians is affirmatively solved. Concretely, we prove that all spectral gaps are open for Schrödinger operators with Sturmian potentials and non-vanishing coupling constant. A key approach towards the solution is a representation of the spectrum as the boundary of an infinite tree. This tree is constructed via particular periodic approximations and it encodes substantial spectral characteristics.
format Preprint
id arxiv_https___arxiv_org_abs_2402_16703
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The Dry Ten Martini Problem for Sturmian Hamiltonians
Band, Ram
Beckus, Siegfried
Loewy, Raphael
Mathematical Physics
Spectral Theory
The Dry Ten Martini Problem for Sturmian Hamiltonians is affirmatively solved. Concretely, we prove that all spectral gaps are open for Schrödinger operators with Sturmian potentials and non-vanishing coupling constant. A key approach towards the solution is a representation of the spectrum as the boundary of an infinite tree. This tree is constructed via particular periodic approximations and it encodes substantial spectral characteristics.
title The Dry Ten Martini Problem for Sturmian Hamiltonians
topic Mathematical Physics
Spectral Theory
url https://arxiv.org/abs/2402.16703