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

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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.
4 pages, 3 figures; final version (including added references)

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Mesoscale and Nanoscale Physics, Disordered Systems and Neural Networks, Chaotic Dynamics

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http://salesiana.dossiersoluciones.com/handle/123456789/112208

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0606586
 http://arxiv.org/abs/cond-mat/0606586
 Phys. Rev. Lett. 97, 116804 (2006)
 doi:10.1103/PhysRevLett.97.116804

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