Journal article
Anomalous transport of a tracer on percolating clusters
Journal of Physics: Condensed Matter, Vol.23(23)
2011
Abstract
We investigate the dynamics of a single tracer exploring a course of fixed obstacles in the vicinity of the percolation transition for particles confined to the infinite cluster. The mean-square displacement displays anomalous transport, which extends to infinite times precisely at the critical obstacle density. The slowing down of the diffusion coefficient exhibits power-law behavior for densities close to the critical point and we show that the mean-square displacement fulfills a scaling hypothesis. Furthermore, we calculate the dynamic conductivity as a response to an alternating electric field. Last, we discuss the non-Gaussian parameter as an indicator for heterogeneous dynamics.
Details
- Title
- Anomalous transport of a tracer on percolating clusters
- Authors/Creators
- M. Spanner (Author/Creator) - Friedrich-Alexander-Universität Erlangen-NürnbergF. Höfling (Author/Creator) - Max Planck Institute for Intelligent SystemsG.E. Schröder-Turk (Author/Creator) - Friedrich-Alexander-Universität Erlangen-NürnbergK. Mecke (Author/Creator) - Max Planck Institute for Intelligent SystemsT. Franosch (Author/Creator) - Friedrich-Alexander-Universität Erlangen-Nürnberg
- Publication Details
- Journal of Physics: Condensed Matter, Vol.23(23)
- Publisher
- IOP Publishing Ltd.
- Identifiers
- 991005545007907891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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40 Record Views
InCites Highlights
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- Collaboration types
- Domestic collaboration
- Citation topics
- 2 Chemistry
- 2.39 Polymer Science
- 2.39.712 Glass Transition
- Web Of Science research areas
- Physics, Condensed Matter
- ESI research areas
- Physics