Affordable Access

Access to the full text

Self-sustained oscillations in nanoelectromechanical systems induced by Kondo resonance

Authors
  • Song, Taegeun
  • Kiselev, Mikhail N.
  • Kikoin, Konstantin
  • Shekhter, Robert I.
  • Gorelik, Leonid Y.
Type
Published Article
Publication Date
Nov 10, 2013
Submission Date
Nov 10, 2013
Identifiers
DOI: 10.1088/1367-2630/16/3/033043
Source
arXiv
License
Yellow
External links

Abstract

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.

Report this publication

Statistics

Seen <100 times