Quantum waveguide theory for triply connected Aharonov-Bohm rings

Quantum interference effects for a mesoscopic loop with three leads are investigated by using a one-dimensional quantum waveguide theory. The transmission and reflection probabilities are analytically obtained in terms of the magnetic flux, arm length, and wave vector. Oscillation of the magnetoconductance is explicitly demonstrated. Magnetoconductance is found to be sharply peaked for certain localized values of flux and kl. In addition, it is noticed that the periodicity of the transmission probability with respect to kl depends more sensitively on the lead position, compared to the case of the two-lead loop.
Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
Issue Date
1996-03
Language
ENG
Keywords

NORMAL-METAL RINGS; OSCILLATIONS; TRANSPORT; LOOPS; H/E

Citation

INTERNATIONAL JOURNAL OF MODERN PHYSICS B, v.10, no.6, pp.701 - 712

ISSN
0217-9792
DOI
10.1142/S0217979296000295
URI
http://hdl.handle.net/10203/73672
Appears in Collection
EE-Journal Papers(저널논문)
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