Realistic model of correlated disorder and Anderson localization

Abstract

A conducting 1D chain or 2D film inside (or on the surface of) an insulator is considered. Impurities displace the charges inside the insulator. This results in a long-range fluctuating electric field acting on the conducting line (plane). This field can be modeled by that of randomly distributed electric dipoles. This model provides a random correlated potential with <U(r)U(r+k)> \propto 1/k. In the 1D case such correlations may essentially influence the localization length but do not destroy Anderson localization.

3 pages (revtex), 1 ps figure

Cited by in corpus (4)

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• Interplay between interaction and (un)correlated disorder in one-dimensional many-particle systems: delocalization and global entanglement
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• Correlated random band matrices: localization-delocalization transitions