ELECTRONIC TRANSPORT PROPERTIES OF A FOUR-TERMINAL MESOSCOPIC STRUCTURE WITH A RING
2007
In this paper, the electronic transport properties of a four-terminal mesoscopic structure with a ring are studied by quantum waveguide theory. We show that the transmission coefficients of the three outgoing exits oscillate periodically with the distance between nodes and the magnetic flux threading the loop, and they share a common periodicity. However, there are differences in the magnitude and the position of their peaks. The transmission coefficient of the outgoing exit nearest to the incident port accounts for the greatest contribution to the total transmission coefficient.
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