Nano-wires with surface disorder: Giant localization lengths and quantum-to-classical crossover

J. Feist; A. Bäcker; R. Ketzmerick; S. Rotter; B. Huckestein; J. Burgdörfer

doi:10.1103/physrevlett.97.116804

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Nano-wires with surface disorder: Giant localization lengths and quantum-to-classical crossover

J. Feist·A. Bäcker·R. Ketzmerick·S. Rotter·B. Huckestein·J. Burgdörfer

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Abstract

We investigate electronic quantum transport through nano-wires with one-sided surface roughness. A magnetic field perpendicular to the scattering region is shown to lead to exponentially diverging localization lengths in the quantum-to-classical crossover regime. This effect can be quantitatively accounted for by tunneling between the regular and the chaotic components of the underlying mixed classical phase space.

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J. Feist, A. Bäcker, R. Ketzmerick, S. Rotter, B. Huckestein, J. Burgdörfer. 2006-09-14. Nano-wires with surface disorder: Giant localization lengths and quantum-to-classical crossover. https://doi.org/10.1103/physrevlett.97.116804

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