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Voigtmann, Thomas and Fuchs, Matthias (2013) Force-driven micro-rheology. European Physical Journal - Special Topics, 222, pp. 2819-2833. EDP Sciences. doi: 10.1140/epjst/e2013-02060-5. ISSN 1951-6355.
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Abstract
Within a microscopic formalism for the nonequilibrium response of colloidal suspensions driven by an external force, we study the active micro-rheology of a glass-forming colloidal suspensions. In this technique, a probe particle is subject to an external force, and its nonequilibrium dynamics is monitored. Strong external forcing delocalizes the particle from its nearest-neighbor cage, resulting in a pronounced force-thinning behavior of the single-particle friction. We discuss the dynamics in the vicinity of this delocalization transition, and how long-range transport is induced for a particle that is localized in the quiescent case.
| Item URL in elib: | https://elib.dlr.de/85970/ | |||||||||
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| Document Type: | Article | |||||||||
| Title: | Force-driven micro-rheology | |||||||||
| Authors: |
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| Date: | 25 November 2013 | |||||||||
| Journal or Publication Title: | European Physical Journal - Special Topics | |||||||||
| Refereed publication: | Yes | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | Yes | |||||||||
| In ISI Web of Science: | Yes | |||||||||
| Volume: | 222 | |||||||||
| DOI: | 10.1140/epjst/e2013-02060-5 | |||||||||
| Page Range: | pp. 2819-2833 | |||||||||
| Publisher: | EDP Sciences | |||||||||
| ISSN: | 1951-6355 | |||||||||
| Status: | Published | |||||||||
| Keywords: | microrheology,colloidal dispersions,nonlinear response | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||
| HGF - Program: | Space | |||||||||
| HGF - Program Themes: | Research under Space Conditions | |||||||||
| DLR - Research area: | Raumfahrt | |||||||||
| DLR - Program: | R FR - Research under Space Conditions | |||||||||
| DLR - Research theme (Project): | R - Vorhaben Materialwissenschaftliche Forschung (old) | |||||||||
| Location: | Köln-Porz | |||||||||
| Institutes and Institutions: | Institute of Materials Physics in Space | |||||||||
| Deposited By: | Voigtmann, Dr.rer.nat. Thomas | |||||||||
| Deposited On: | 29 Nov 2013 09:47 | |||||||||
| Last Modified: | 06 Sep 2019 15:25 |
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