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  How do dynamic heterogeneities evolve in time?

Doliwa, B., & Heuer, A. (2002). How do dynamic heterogeneities evolve in time? Journal of Non-Crystalline Solids, 307, 32-39. doi:10.1016/S0022-3093(02)01437-0.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-6515-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-7AE1-7
Genre: Journal Article

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 Creators:
Doliwa, B.1, Author              
Heuer, Andreas2, Author              
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              
2Univ Münster, Inst Phys Chem, D-48149 Münster, Germany, ou_persistent22              

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 Abstract: We present simulations of a hard disk system and analyze the time evolution of the dynamic heterogeneities. We characterize the time evolution of slow regions and slow particles individually. The motion of slow clusters turns out to be very restricted, i.e. a cluster is generated and annihilated in a spatial region four times the size of its maximum instantaneous extent. The residual motion of the cluster can be traced back to subdiffusive motion of the constituent particles and the process of absorption and loss of adjacent particles. The subdiffusive dynamics are independent of how long the particles remain slow. Clusters of fast particles show an even smaller reach., which seems to be due to their short life time. (C) 2002 Elsevier Science B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2002-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28606
ISI: 000178038100006
Other: P-02-130
DOI: 10.1016/S0022-3093(02)01437-0
 Degree: -

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Title: Journal of Non-Crystalline Solids
Source Genre: Journal
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Publ. Info: Amsterdam : North-Holland
Pages: - Volume / Issue: 307 Sequence Number: - Start / End Page: 32 - 39 Identifier: ISSN: 0022-3093
CoNE: https://pure.mpg.de/cone/journals/resource/954925416961