Tunneling versus quantum interference effect: Role of advanced–advanced and retarded–retarded transmission modes

Following our previous work [S. Duhot, R. Mélin, Phys. Rev. B 76 (2007) 184503] on the interpretation of an experiment [Latyshev, et al., Phys. Rev. Lett. 78 (1997) 919] on magnetic oscillations of a film of charge density wave pierced by nanoholes, the cross-over between positive and negative magne...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2009-03, Vol.404 (3-4), p.410-412
Main Author: MELIN, R
Format: Article
Language:English
Subjects:
Charge-density-wave systems
Collective effects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron states
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport in mesoscopic systems
Exact sciences and technology
Physics
Quantum interference effect
Tunnel effect
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Summary:Following our previous work [S. Duhot, R. Mélin, Phys. Rev. B 76 (2007) 184503] on the interpretation of an experiment [Latyshev, et al., Phys. Rev. Lett. 78 (1997) 919] on magnetic oscillations of a film of charge density wave pierced by nanoholes, the cross-over between positive and negative magneto-transmission is investigated here within microscopic Green's functions for a simple insulating one dimensional ring having a radius of order of the decay length of evanescent states. Advanced–advanced or retarded–retarded transmission modes lead to negative magneto-transmission at low field and to h/2e oscillations in the flux dependence of the transmission coefficients.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2008.11.067