Journal article
Space-resolved dynamics of a tracer in a disordered solid
Journal of Non-Crystalline Solids, Vol.357(2), pp.472-478
2011
Abstract
The dynamics of a tracer particle in a glassy matrix of obstacles displays slow complex transport as the free volume approaches a critical value and the void space falls apart. We investigate the emerging subdiffusive motion of the test particle by extensive molecular dynamics simulations and characterize the spatio-temporal transport in terms of two-time correlation functions, including the time-dependent diffusion coefficient, the frequency-dependent conductivity, as well as the wavenumber-dependent intermediate scattering function. We rationalize our findings within the framework of critical phenomena and compare our data to a dynamic scaling theory.
Details
- Title
- Space-resolved dynamics of a tracer in a disordered solid
- Authors/Creators
- T. Franosch (Author/Creator)M. Spanner (Author/Creator)T. Bauer (Author/Creator)G.E. Schröder-Turk (Author/Creator)F. Höfling (Author/Creator)
- Publication Details
- Journal of Non-Crystalline Solids, Vol.357(2), pp.472-478
- Publisher
- Elsevier B.V.
- Identifiers
- 991005541599707891
- Copyright
- © 2010 Published by Elsevier B.V.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 2 Chemistry
- 2.39 Polymer Science
- 2.39.712 Glass Transition
- Web Of Science research areas
- Materials Science, Ceramics
- Materials Science, Multidisciplinary
- ESI research areas
- Physics