Anderson localization problem: An exact solution for 2-D anisotropic systems

V.N. Kuzovkov and W. von Niessen

Physica A: Statistical Mechanics and its Applications, 2007, vol. 377, issue 1, 115-124

Abstract: Our previous results [V.N. Kuzovkov, W. von Niessen, V. Kashcheyevs, O. Hein, J. Phys. Condens. Matter 14 (2002) 13777] dealing with the analytical solution of the two-dimensional (2-D) Anderson localization problem due to disorder is generalized for anisotropic systems (two different hopping matrix elements in transverse directions). We discuss the mathematical nature of the metal–insulator phase transition which occurs in the 2-D case, in contrast to the 1-D case, where such a phase transition does not occur. In anisotropic systems two localization lengths arise instead of only one length.

Keywords: Random systems; Anderson localization; Phase diagram (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:377:y:2007:i:1:p:115-124

DOI: 10.1016/j.physa.2006.11.005

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