  We study the interaction between two closely spaced but electrically isolated
quasi-one-dimensional electrical wires by a drag experiment. In this work we
experimentally demonstrate the generation of current in an unbiased (drag)
wire, which results from the interactions with a neighboring biased (drive)
wire. The direction of the drag current depends on the length of the
one-dimensional wire with respect to the position of the barrier in the drag
wire. When we additionally form a potential barrier in the drive wire, the
direction of the drag current is determined by the relative position of the two
barriers. We interpret this behavior in terms of electron excitations by
phonon-mediated interactions between the two wires in presence of the electron
scattering inside the drive wire.
