Two-dimensional Melting under Quenched Disorder

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DEUTSCHLÄNDER, Sven, Tobias HORN, Hartmut LÖWEN, Georg MARET, Peter KEIM, 2013. Two-dimensional Melting under Quenched Disorder. In: Physical Review Letters. 111(9). ISSN 0031-9007. eISSN 1079-7114

@article{Deutschlander2013Two-d-24497, title={Two-dimensional Melting under Quenched Disorder}, year={2013}, doi={10.1103/PhysRevLett.111.098301}, number={9}, volume={111}, issn={0031-9007}, journal={Physical Review Letters}, author={Deutschländer, Sven and Horn, Tobias and Löwen, Hartmut and Maret, Georg and Keim, Peter} }

<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/123456789/24497"> <dc:creator>Löwen, Hartmut</dc:creator> <dc:creator>Deutschländer, Sven</dc:creator> <dc:rights>deposit-license</dc:rights> <dcterms:issued>2013</dcterms:issued> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dcterms:title>Two-dimensional Melting under Quenched Disorder</dcterms:title> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/24497"/> <dcterms:bibliographicCitation>Physical Review Letters ; 111 (2013). - 098301</dcterms:bibliographicCitation> <dc:contributor>Horn, Tobias</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-09-20T08:44:26Z</dcterms:available> <dc:contributor>Löwen, Hartmut</dc:contributor> <dc:contributor>Maret, Georg</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-09-20T08:44:26Z</dc:date> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">We study the influence of quenched disorder on the two-dimensional melting behavior of superparamagnetic colloidal particles, using both video microscopy and computer simulations of repulsive parallel dipoles. Quenched disorder is introduced by pinning a fraction of the particles to an underlying substrate. We confirm the occurrence of the Kosterlitz-Thouless-Halperin-Nelson-Young scenario and observe an intermediate hexatic phase. While the fluid-hexatic transition remains largely unaffected by disorder, the hexatic-solid transition shifts to lower temperatures with increasing disorder. This results in a significantly broadened stability range of the hexatic phase. In addition, we observe spatiotemporal critical(like) fluctuations, which are consistent with the continuous character of the phase transitions. Characteristics of first-order transitions are not observed.</dcterms:abstract> <dc:creator>Keim, Peter</dc:creator> <dc:contributor>Keim, Peter</dc:contributor> <dc:contributor>Deutschländer, Sven</dc:contributor> <dc:creator>Maret, Georg</dc:creator> <dc:creator>Horn, Tobias</dc:creator> </rdf:Description> </rdf:RDF>

Dateiabrufe seit 01.10.2014 (Informationen über die Zugriffsstatistik)

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