Dynamical heterogeneities close to a colloidal gel


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PUERTAS, Antonio M., Matthias FUCHS, Michael E. CATES, 2004. Dynamical heterogeneities close to a colloidal gel. In: The Journal of Chemical Physics. 121(6), pp. 2813-2822

@article{Puertas2004Dynam-9346, title={Dynamical heterogeneities close to a colloidal gel}, year={2004}, doi={10.1063/1.1768936}, number={6}, volume={121}, journal={The Journal of Chemical Physics}, pages={2813--2822}, author={Puertas, Antonio M. and Fuchs, Matthias and Cates, Michael E.} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9346"> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:creator>Fuchs, Matthias</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:55:43Z</dc:date> <dcterms:issued>2004</dcterms:issued> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">Dynamical heterogeneities in a colloidal fluid close to gelation are studied by means of computer simulations. A clear distinction between some fast particles and the rest, slow ones, is observed yielding a picture of the gel composed of two populations with different mobilities. Analyzing the statics and dynamics of both sets of particles, it is shown that the slow particles form a network of stuck particles, whereas the fast ones are able to move over long distances. Correlation functions show that the environment of the fast particles relaxes much faster than that of the slow ones, but at short times the bonds between fast particles are longer lived due to the flexibility of their structure. No stringlike motion is observed for the fast particles, but they occupy preferential sites in the surface of the structure formed by the slow ones.</dcterms:abstract> <dc:contributor>Cates, Michael E.</dc:contributor> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9346"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:55:43Z</dcterms:available> <dc:format>application/pdf</dc:format> <dc:creator>Puertas, Antonio M.</dc:creator> <dcterms:bibliographicCitation>First publ. in: The Journal of Chemical Physics 121 (2004), 6, pp. 2813 2822</dcterms:bibliographicCitation> <dc:contributor>Fuchs, Matthias</dc:contributor> <dc:contributor>Puertas, Antonio M.</dc:contributor> <dcterms:title>Dynamical heterogeneities close to a colloidal gel</dcterms:title> <dc:rights>deposit-license</dc:rights> <dc:creator>Cates, Michael E.</dc:creator> </rdf:Description> </rdf:RDF>

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