%0 Journal Article
%T Self-sustained oscillations in nanoelectromechanical systems induced by Kondo resonance
%A Taegeun Song
%A Mikhail N. Kiselev
%A Konstantin Kikoin
%A Robert I. Shekhter
%A Leonid Y. Gorelik
%J Physics
%D 2013
%I arXiv
%R 10.1088/1367-2630/16/3/033043
%X We investigate instability and dynamical properties of nanoelectromechanical systems represented by a single-electron device containing movable quantum dot attached to a vibrating cantilever via asymmetric tunnel contact. The Kondo resonance in electron tunneling between source and shuttle facilitates self-sustained oscillations originated from strong coupling of mechanical and electronic/spin degrees of freedom. We analyze stability diagram for two-channel Kondo shuttling regime due to limitations given by the electromotive force acting on a moving shuttle and find that the saturation amplitude of oscillation is associated with the retardation effect of Kondo-cloud. The results shed light on possible ways of experimental realization of dynamical probe for the Kondo-cloud by using high tunability of mechanical dissipation as well as supersensitive detection of mechanical displacement.
%U http://arxiv.org/abs/1311.2317v1