Kondo-assisted switching between three conduction states in capacitively coupled quantum dots
arXiv:2101.02060 · doi:10.1103/PhysRevResearch.2.033387
Abstract
We propose a nanoscale device consisting of a double quantum dot with strong intra- and inter- dot Coulomb repulsions. In this design, the current can only flow through the lower dot, but is triggered by the gate-controlled occupancy of the upper dot. At low temperatures, our calculations predict the double dot to pass through a narrow Kondo regime, resulting in highly sensitive switching characteristics between three well-defined states : insulating, normal conduction and resonant conduction.
arXiv comment5 pages, 4 figures
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