Schematic models for active nonlinear microrheology

Gnann, Manuel Victor; Gazuz, Igor; Puertas, Antonio Manuel; Fuchs, Matthias; Voigtmann, Thomas

Schematic models for active nonlinear microrheology

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Datum

2011

Autor:innen

Gnann, Manuel Victor

Gazuz, Igor

Puertas, Antonio Manuel

Fuchs, Matthias

Voigtmann, Thomas

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Soft Matter. 2011, 7(4), pp. 1390-1396. ISSN 1744-683X. Available under: doi: 10.1039/c0sm00828a

Zusammenfassung

We analyze the nonlinear active microrheology of dense colloidal suspensions using a schematic model of mode-coupling theory. The model describes the strongly nonlinear behavior of the microscopic friction coefficient as a function of applied external force in terms of a delocalization transition. To probe this regime, we have performed Brownian dynamics simulations of a system of quasi-hard spheres. We also analyze experimental data on hard-sphere-like colloidal suspensions [Habdas et al., Europhys. Lett., 2004, 67, 477]. The behavior at very large forces is addressed specifically.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

GNANN, Manuel Victor, Igor GAZUZ, Antonio Manuel PUERTAS, Matthias FUCHS, Thomas VOIGTMANN, 2011. Schematic models for active nonlinear microrheology. In: Soft Matter. 2011, 7(4), pp. 1390-1396. ISSN 1744-683X. Available under: doi: 10.1039/c0sm00828a

BibTex

@article{Gnann2011Schem-13776,
  year={2011},
  doi={10.1039/c0sm00828a},
  title={Schematic models for active nonlinear microrheology},
  number={4},
  volume={7},
  issn={1744-683X},
  journal={Soft Matter},
  pages={1390--1396},
  author={Gnann, Manuel Victor and Gazuz, Igor and Puertas, Antonio Manuel and Fuchs, Matthias and Voigtmann, Thomas}
}

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