Tunable backaction of a DC SQUID on an integrated micromechanical resonator

M. Poot, S. Etaki, I. Mahboob, K. Onomitsu, H. Yamaguchi, Ya M. Blanter, H. S.J. Van Der Zant

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

28 Zitate (Scopus)


We have measured the backaction of a dc superconducting quantum interference device (SQUID) position detector on an integrated 1 MHz flexural resonator. The frequency and quality factor of the micromechanical resonator can be tuned with bias current and applied magnetic flux. The backaction is caused by the Lorentz force due to the change in circulating current when the resonator displaces. The experimental features are reproduced by numerical calculations using the resistively and capacitively shunted junction model.

FachzeitschriftPhysical Review Letters
PublikationsstatusVeröffentlicht - 10 Nov. 2010
Extern publiziertJa


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