Observation of Strongly Heterogeneous Dynamics at the Depinning Transition in a Colloidal Glass

Şenbil, Nesrin; Gruber, Markus; Zhang, Chi; Fuchs, Matthias; Scheffold, Frank

Observation of Strongly Heterogeneous Dynamics at the Depinning Transition in a Colloidal Glass

Dateien

Senbil_2-mxldtxr7htm04.pdfGröße: 776.68 KBDownloads: 10

Datum

2019

Autor:innen

Şenbil, Nesrin

Gruber, Markus

Zhang, Chi

Fuchs, Matthias

Scheffold, Frank

URI (zitierfähiger Link)

http://nbn-resolving.de/urn:nbn:de:bsz:352-2-mxldtxr7htm04

DOI (zitierfähiger Link)

https://doi.org/10.1103/PhysRevLett.122.108002

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Review Letters. 2019, 122(10), 108002. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.122.108002

Zusammenfassung

We study experimentally the origin of heterogeneous dynamics in strongly driven glass-forming systems. Thereto, we apply a well-defined force with a laser line trap on individual colloidal polystyrene probe particles seeded in an emulsion glass composed of droplets of the same size. Fluid and glass states can be probed. We monitor the trajectories of the probe and measure displacements and their distributions. Our experiments reveal intermittent dynamics around a depinning transition at a threshold force. For smaller forces, linear response connects mean displacement, and quiescent mean squared displacement. Mode coupling theory calculations rationalize the observations.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

ŞENBIL, Nesrin, Markus GRUBER, Chi ZHANG, Matthias FUCHS, Frank SCHEFFOLD, 2019. Observation of Strongly Heterogeneous Dynamics at the Depinning Transition in a Colloidal Glass. In: Physical Review Letters. 2019, 122(10), 108002. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.122.108002

BibTex

@article{Senbil2019-03-13Obser-45591,
  year={2019},
  doi={10.1103/PhysRevLett.122.108002},
  title={Observation of Strongly Heterogeneous Dynamics at the Depinning Transition in a Colloidal Glass},
  number={10},
  volume={122},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Şenbil, Nesrin and Gruber, Markus and Zhang, Chi and Fuchs, Matthias and Scheffold, Frank},
  note={Article Number: 108002}
}

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Universitätsbibliographie

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