Simple model for a quantum wire III. Transmission of finite samples with correlated disorder
arXiv:cond-mat/0411441 · doi:10.1140/epjb/e2005-00088-4
Abstract
The effect of a continuous model of correlations upon one-dimensional finite disordered quantum wires modeled by an array of delta-potentials, is analyzed. Although the model proposed is not able to include new truly extended states in the spectrum, the transport properties of a finite sample are noticeably improved due to the existence of states whose localization length is larger than the system size. This enhancement of transmission is maximized for relatively short chains.
6 pages, 18 figures