Non-exponential relaxation in diluted antiferromagnets


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STAATS, Michael, Ulrich NOWAK, Klaus-Dieter USADEL, 1998. Non-exponential relaxation in diluted antiferromagnets. In: Phase Transitions. 65(1/4), pp. 159-167

@article{Staats1998Non-e-8889, title={Non-exponential relaxation in diluted antiferromagnets}, year={1998}, doi={10.1080/01411599808209286}, number={1/4}, volume={65}, journal={Phase Transitions}, pages={159--167}, author={Staats, Michael and Nowak, Ulrich and Usadel, Klaus-Dieter} }

<rdf:RDF xmlns:rdf="" xmlns:bibo="" xmlns:dc="" xmlns:dcterms="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dc:contributor>Usadel, Klaus-Dieter</dc:contributor> <dcterms:bibliographicCitation>First publ. in: Phase Transitions 65 (1998), 1/4, pp. 159-167</dcterms:bibliographicCitation> <dc:contributor>Staats, Michael</dc:contributor> <dcterms:title>Non-exponential relaxation in diluted antiferromagnets</dcterms:title> <dcterms:issued>1998</dcterms:issued> <bibo:uri rdf:resource=""/> <dc:contributor>Nowak, Ulrich</dc:contributor> <dc:creator>Staats, Michael</dc:creator> <dc:language>eng</dc:language> <dcterms:rights rdf:resource=""/> <dc:creator>Nowak, Ulrich</dc:creator> <dcterms:abstract xml:lang="eng">Dilute Ising antiferromagnets in a homogenous magnetic field have a disordered phase for sufficiently large values of the field and for low temperatures. Here, the system is in a domain state with a broad size-distribution of fractal domains. We study the relaxation dynamics of this domain state after removing the external field for two and three dimensions. Using Monte Carlo simulation techniques, we measure the decay of the remanent magnetization. Its temperature dependence can be understood as thermal activation. All data can be described by a unique generalized power law for a wide range of temperatures in two-and three-dimensions. The question of whether the exponent of the generalized power-law is universal remains open.</dcterms:abstract> <dc:rights>deposit-license</dc:rights> <dc:date rdf:datatype="">2011-03-24T17:51:23Z</dc:date> <dc:format>application/pdf</dc:format> <dc:creator>Usadel, Klaus-Dieter</dc:creator> <dcterms:available rdf:datatype="">2011-03-24T17:51:23Z</dcterms:available> </rdf:Description> </rdf:RDF>

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