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Hot Brownian Motion

Daniel Rings, Romy Schachoff, Markus Selmke, Frank Cichos, and Klaus Kroy
Phys. Rev. Lett. 105, 090604 – Published 26 August 2010
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Abstract

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.

  • Figure
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  • Received 23 March 2010

DOI:https://doi.org/10.1103/PhysRevLett.105.090604

© 2010 The American Physical Society

Authors & Affiliations

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

  • *kroy@itp.uni-leipzig.de

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Issue

Vol. 105, Iss. 9 — 27 August 2010

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