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Stochastic dynamics of nanoscale mechanical oscillators immersed in a viscous fluid

Paul, M. R. and Cross, M. C. (2004) Stochastic dynamics of nanoscale mechanical oscillators immersed in a viscous fluid. Physical Review Letters, 92 (23). Art. No. 235501. ISSN 0031-9007. doi:10.1103/PhysRevLett.92.235501.

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The stochastic response of nanoscale oscillators of arbitrary geometry immersed in a viscous fluid is studied. Using the fluctuation-dissipation theorem, it is shown that deterministic calculations of the governing fluid and solid equations can be used in a straightforward manner to directly calculate the stochastic response that would be measured in experiment. We use this approach to investigate the fluid coupled motion of single and multiple cantilevers with experimentally motivated geometries.

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Additional Information:©2004 The American Physical Society. Received 5 January 2004; published 9 June 2004. This research was carried out within the Caltech BioNEMS effort (M. L. Roukes, PI), supported by DARPA/MTO Simbiosys under Grant No. F49620-02-1-0085. We gratefully acknowledge extensive interactions with this team. M.P. thanks the Burroughs Wellcome Foundation "Interfaces" program for additional support.
Subject Keywords:nanostructured materials; oscillators; stochastic processes; fluctuations; correlation theory; viscosity
Issue or Number:23
Record Number:CaltechAUTHORS:PAUprl04a
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3452
Deposited By: Tony Diaz
Deposited On:07 Jun 2006
Last Modified:08 Nov 2021 19:56

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