Crossover behavior of the conductance oscillations in a quasi-one-dimensional ring in the ballistic limit

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We have theoretically investigated the temperature dependence of the Aharonov-Bohm-type conductance oscillations in a mesoscopic ring structure in the Purely ballistic limit. We have found that there is a crossover with temperature that is characteristic of the conductance oscillations: the usual Aharonov-Bohm oscillations are observed only above the crossover temperature and the oscillations by the electron's motion encircling the ring region predominate below the crossover temperature. We have also found that, below the crossover temperature, the amplitude of the conductance oscillations is observed to decrease exponentially with temperature, whereas it decreases linearly above the crossover temperature, whose behavior is in sharp contrast to the diffusive case.
Publisher
AMERICAN PHYSICAL SOC
Issue Date
1996-01
Language
English
Article Type
Article
Keywords

NORMAL-METAL RINGS

Citation

PHYSICAL REVIEW B, v.53, no.3, pp.1014 - 1017

ISSN
0163-1829
DOI
10.1103/PhysRevB.53.1014
URI
http://hdl.handle.net/10203/76862
Appears in Collection
EE-Journal Papers(저널논문)
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