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Charge Transport Through Weakly Open One Dimensional Quantum Wires by Kopnin, N. B.; Galperin, Y. M.; Vinokur, V. M. is a scholarly article available to read on EtoBox.

What is Charge Transport Through Weakly Open One Dimensional Quantum Wires about?

We consider resonant transmission through a finite-length quantum wire connected to leads via finite transparency junctions. The coherent electron transport is strongly modified by the Coulomb interaction. The low-temperature current-voltage ($IV$) curves show step-like dependence on the bias voltage determined by the distance between the quantum levels inside the conductor, the pattern being dependent on the ratio between the charging energy and level spacing. If the system is tuned close to the resonance condition by the gate voltage, the low-voltage $IV$ curve is Ohmic. At large Coulomb energy and low temperatures, the conductance is temperature-independent for any relationship between temperature, level spacing, and coupling between the wire and the leads.

Author

Kopnin, N. B.; Galperin, Y. M.; Vinokur, V. M.

Published

2008

Language

EN