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Hot Brownian Motion

Source: Phys. Rev. Lett. 105, 090604 (2010); doi:10.1103/PhysRevLett.105.090604

Published 26 August 2010

PACS
  • 05.40.Jc
    Brownian motion
  • 05.70.Ln
    Nonequilibrium and irreversible thermodynamics
  • 47.15.G-
    Low-Reynolds-number (creeping) flows
  • YEAR: 2010
PUBLICATION DATA
ISSN:
1553-9644 (online)
Publisher:
AIP is a member of CrossRef APS
Daniel Rings, Romy Schachoff, Markus Selmke, Frank Cichos, and Klaus Kroy
Institut für Theoretische Physik, Universität Leipzig, Postfach 100920, 04009 Leipzig, Germany and Institut für Experimentelle Physik I, Universität Leipzig, Linnéstraße 5, 04103 Leipzig, Germany
We derive the Markovian description for the nonequilibrium Brownian motion of a heated nanoparticle in a simple solvent with a temperature-dependent viscosity. Our analytical results for the generalized fluctuation-dissipation and Stokes-Einstein relations compare favorably with measurements of laser-heated gold nanoparticles and provide a practical rational basis for emerging photothermal tracer and nanoparticle trapping and tracking techniques.
History: Received 23 March 2010; revised 8 July 2010; published 26 August 2010
Permalink: http://link.aps.org/abstract/PRL/v105/e090604
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