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Stochastic webs and quantum transport in superlattices: an introductory review

Soskin, S. M. and McClintock, P. V. E. and Fromhold, T. M. and Khovanov, I. A. and Mannella, R. (2009) Stochastic webs and quantum transport in superlattices: an introductory review. arXiv . (Submitted)

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SUMMARY Stochastic webs were discovered, first by Arnold for multi-dimensional Hamiltonian systems, and later by Chernikov et al. for the low-dimensional case. Generated by weak perturbations, they consist of thread-like regions of chaotic dynamics in phase space. Their importance is that, in principle, they enable transport from small energies to high energies. In this introductory review, we concentrate on low-dimensional stochastic webs and on their applications to quantum transport in semiconductor superlattices subject to electric and magnetic fields. We also describe a recently-suggested modification of the stochastic web to enhance chaotic transport through it and we discuss its possible applications to superlattices. keywords: stochastic webs; quantum transport; superlattices; separatrix chaos

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/03 - Fisica della materia
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 30 Jul 2013 12:37
Last Modified: 30 Jul 2013 12:37
URI: http://eprints.adm.unipi.it/id/eprint/1296

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