One-dimensional optical thermal ratchets

Sang Hyuk Lee, David G. Grier

    Research output: Contribution to journalArticle

    Abstract

    The ability to rectify Brownian forces with spatially extended time-varying light fields creates new opportunities for studying the statistical properties of thermal ratchet models and to exploit these models' interesting and useful properties for practical applications. This paper describes experimental studies of one-dimensional thermal ratchets implemented with the holographic optical trapping technique applied to fluid-borne colloidal spheres. These studies demonstrate the complementary roles of global spatiotemporal symmetry and local dynamics in establishing the direction of ratchet-induced motion and also highlight avenues for future advances in higher-dimensional systems.

    Original languageEnglish (US)
    JournalJournal of Physics: Condensed Matter
    Volume17
    Issue number47
    DOIs
    StatePublished - Nov 30 2005

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    trapping
    Fluids
    fluids
    symmetry
    Hot Temperature
    Direction compound

    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Electronic, Optical and Magnetic Materials

    Cite this

    One-dimensional optical thermal ratchets. / Lee, Sang Hyuk; Grier, David G.

    In: Journal of Physics: Condensed Matter, Vol. 17, No. 47, 30.11.2005.

    Research output: Contribution to journalArticle

    Lee, Sang Hyuk ; Grier, David G. / One-dimensional optical thermal ratchets. In: Journal of Physics: Condensed Matter. 2005 ; Vol. 17, No. 47.
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