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A continuum version of the Kunz–Souillard approach to localization in one dimension

  • David Damanik EMAIL logo and Günter Stolz
Published/Copyright: April 14, 2011
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Journal für die reine und angewandte Mathematik
From the journal Volume 2011 Issue 660

Abstract

We consider continuum one-dimensional Schrödinger operators with potentials that are given by a sum of a suitable background potential and an Anderson-type potential whose single-site distribution has a continuous and compactly supported density. We prove exponential decay of the expectation of the finite volume correlators, uniform in any compact energy region, and deduce from this dynamical and spectral localization. The proofs implement a continuum analog of the method Kunz and Souillard developed in 1980 to study discrete one-dimensional Schrödinger operators with potentials of the form background plus random.

Received: 2010-02-08
Revised: 2010-04-30
Published Online: 2011-04-14
Published in Print: 2011-November

© Walter de Gruyter Berlin · New York 2011

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