Simple model for a quantum wire III. Transmission of finite samples with correlated disorder

Details Simple model for a quantum wire III. Transmission of finite samples with correlated disorder Simple model for a quantum wire III. Transmission of finite samples with correlated disorder

2004-11-17

arxiv.org/abs/cond-mat/0411441v1

Eur. Phys. J. B 43, 543-548 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 18 figures

Scientific paper

10.1140/epjb/e2005-00088-4

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.

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