2019
DOI: 10.48550/arxiv.1904.08871
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On the finite-size Lyapunov exponent for the Schroedinger operator with skew-shift potential

Paul Michael Kielstra,
Marius Lemm

Abstract: It is known that a one-dimensional quantum particle is localized when subjected to an arbitrarily weak random potential. It is conjectured that localization also occurs for an arbitrarily weak potential generated from the nonlinear skew-shift dynamics: vn = 2 cos n 2 ω + ny + x with ω an irrational number. Recently, Han, Schlag, and the second author derived a finitesize criterion in the case when ω is the golden mean, which allows to derive the positivity of the infinite-volume Lyapunov exponent from three co… Show more

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