We consider electronic transport through a suspended voltage-biased nanowire. By coupling the tunneling current to a transverse magnetic field, vibrational modes of the wire are excited which influences the current-voltage characteristics of the system in novel ways through the induced electron-vibron interaction. From this analysis, we find that at high voltages the current through the suspended nanowire is offset from its non-vibrating ohmic value by an amount that is independent of both bias voltage and temperature. We also show that the corrections to the current from the back-action of the vibrating wire decay exponentially in the limit of high voltage, a result that holds even if the nanowire vibrational modes have been driven out of thermal equilibrium.
@article{arxiv.0901.4017,
title = {Temperature independent current deficit due to induced quantum nanowire vibrations},
author = {Gustav Sonne},
journal= {arXiv preprint arXiv:0901.4017},
year = {2010}
}