Band-center anomaly of the conductance distribution in one-dimensional Anderson localization

Details Band-center anomaly of the conductance distribution in one-dimensional Anderson localization Band-center anomaly of the conductance distribution in one-dimensional Anderson localization

2002-08-23

arxiv.org/abs/cond-mat/0208457v1

Phys. Rev. B 67, 100201(R) (2003)

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 3 figures

Scientific paper

10.1103/PhysRevB.67.100201

We analyze the conductance distribution function in the one-dimensional Anderson model of localization, for arbitrary energy. For energy at the band center the distribution function deviates from the universal form assumed in single-parameter scaling theory. A direct link to the break-down of the random-phase approximation is established. Our findings are confirmed by a parameter-free comparison to the results of numerical simulations.

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