Anderson transition in 1D systems with spatial disorder

Rabah Benhenni, Khaled Senouci, Rachid Bouamrane and Nouredine Zekri

Physica A: Statistical Mechanics and its Applications, 2010, vol. 389, issue 5, 1002-1008

Abstract: A simple Kronig–Penney model for 1D mesoscopic systems with δ peak potentials is used to study numerically the influence of spatial disorder on conductance fluctuations and distribution at different regimes. The Lévy laws are used to investigate the statistical properties of the eigenstates. It is found that an Anderson transition occurs even in 1D meaning that the disorder can also provide constructive quantum interferences. The critical disorder Wc for this transition is estimated. In these 1D systems, the metallic phase is well characterized by a Gaussian conductance distribution. Indeed, the results relative to conductance distribution are in good agreement with the previous works in 2D and 3D systems for other models. At this transition, the conductance probability distribution has a system size independent shape with large fluctuations in good agreement with previous works.

Keywords: Anderson transition; Disorder; Localization; Conductance probability distribution; Lévy statistics (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:389:y:2010:i:5:p:1002-1008

DOI: 10.1016/j.physa.2009.11.020

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