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Conductance in a periodically doped quantum wire | | J. Cserti
; G. Szálka
; G. Vattay
; | | Date: |
24 Oct 1997 | | Subject: | Mesoscopic Systems and Quantum Hall Effect; Chaotic Dynamics | cond-mat.mes-hall chao-dyn nlin.CD | | Affiliation: | Eötvös University Budapest,Hungary | | Abstract: | In this paper we will give a short rewiew about the conductance of a mesoscopic waveguide strip with a few impurities. Green-function method is used allowing to treat systems with low number of impurities, not only the completly clean case. Investigating a wire containing Dirac-delta potentials (modelling the impurities) we found that increasing number of impurities can cause a transition of the structure of conductance. The staircase like structure of the clean system vanishes and the conductance of a system containing finite number of impurities located periodically will be determined by the band structure of | | Source: | arXiv, cond-mat/9710265 | | Services: | Forum | Review | PDF | Favorites | |
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