Diffusion of colloids in one-dimensional light channels

Lutz, Christoph; Kollmann, Markus; Leiderer, Paul; Bechinger, Clemens

Diffusion of colloids in one-dimensional light channels

Dateien

329_cm4_38_022_2004.pdfGröße: 205.61 KBDownloads: 404

Datum

2004

Autor:innen

Lutz, Christoph

Kollmann, Markus

Leiderer, Paul

Bechinger, Clemens

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Journal of Physics / Condensed Matter. 2004, 16(38), pp. S4075-S4083. Available under: doi: 10.1088/0953-8984/16/38/022

Zusammenfassung

Single-file diffusion (SFD), prevalent in many chemical and biological processes, refers to the one-dimensionalmotion of interacting particles in pores which are so narrow that the mutual passage of particles is excluded. Since the sequence of particles in such a situation remains unaffected over time t, this leads to strong deviations from normal diffusion, e.g. an increase of the particle mean-square-displacement as the square root of t. We present experimental results of the diffusive behaviour of colloidal particles in one-dimensional channels with varying particle density. The channels are realized by means of a scanning optical tweezers. Based on a new analytical approach (Kollmann 2003 Phys. Rev. Lett. 90 180602) for SFD, we can predict quantitatively the long-time, diffusive behaviour from the short time density fluctuations in our systems.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

LUTZ, Christoph, Markus KOLLMANN, Paul LEIDERER, Clemens BECHINGER, 2004. Diffusion of colloids in one-dimensional light channels. In: Journal of Physics / Condensed Matter. 2004, 16(38), pp. S4075-S4083. Available under: doi: 10.1088/0953-8984/16/38/022

BibTex

@article{Lutz2004Diffu-9067,
  year={2004},
  doi={10.1088/0953-8984/16/38/022},
  title={Diffusion of colloids in one-dimensional light channels},
  number={38},
  volume={16},
  journal={Journal of Physics / Condensed Matter},
  pages={S4075--S4083},
  author={Lutz, Christoph and Kollmann, Markus and Leiderer, Paul and Bechinger, Clemens}
}

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