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A macroscopic mechanical resonator driven by mesoscopic electrical back-action

Author

Listed:
  • Joel Stettenheim

    (Dartmouth College, Hanover, New Hampshire 03755, USA)

  • Madhu Thalakulam

    (Rice Quantum Institute, Rice University, Houston, Texas 77005, USA)

  • Feng Pan

    (Dartmouth College, Hanover, New Hampshire 03755, USA)

  • Mustafa Bal

    (Dartmouth College, Hanover, New Hampshire 03755, USA)

  • Zhonqing Ji

    (Rice University, Houston, Texas 77005, USA)

  • Weiwei Xue

    (Dartmouth College, Hanover, New Hampshire 03755, USA)

  • Loren Pfeiffer

    (Bell Laboratories, Alcatel–Lucent, Murray Hill, New Jersey 07974, USA)

  • K. W. West

    (Bell Laboratories, Alcatel–Lucent, Murray Hill, New Jersey 07974, USA)

  • M. P. Blencowe

    (Dartmouth College, Hanover, New Hampshire 03755, USA)

  • A. J. Rimberg

    (Dartmouth College, Hanover, New Hampshire 03755, USA)

Abstract

Tunnelling electrons pack a punch When electrons or photons are used to detect the motion of a mechanical resonator, they each exert a tiny force on the resonator, thereby subtly changing its motion. Such 'back-actions' are observable, for example, in carbon nanotube resonators, where single electrons have been found to influence the mechanical motion of the nanotubes. Stettenheim et al. report an even more striking example of the phenomenon, where electrons tunnelling through a semiconductor quantum device are found to cause vibrations of the host crystal, which is massive compared to the electrons. The authors compare the effect with a flea causing metre-scale vibrations in Mount Everest.

Suggested Citation

  • Joel Stettenheim & Madhu Thalakulam & Feng Pan & Mustafa Bal & Zhonqing Ji & Weiwei Xue & Loren Pfeiffer & K. W. West & M. P. Blencowe & A. J. Rimberg, 2010. "A macroscopic mechanical resonator driven by mesoscopic electrical back-action," Nature, Nature, vol. 466(7302), pages 86-90, July.
    • Handle: RePEc:nat:nature:v:466:y:2010:i:7302:d:10.1038_nature09123
    DOI: 10.1038/nature09123
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