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VOLUME 71 (2000) | ISSUE 3 | PAGE 164
Non-Ohmic Coulomb drag in the ballistic electron transport regime
PACS: 73.50.-h
We work out a theory of the Coulomb drag current created under the ballistic transport regime in a one-dimensional nanowire by a ballistic non-Ohmic current in a nearby parallel nanowire. As in the Ohmic case, we predict sharp oscillation of the drag current as a function of gate voltage or the chemical potential of electrons. We also study dependence of the drag current on the voltage V across the driving wire. For relatively large values of V the drag current is proportional to V2.