Dynamic properties of the dimerized spin-1/2 isotropic XY chain in a transverse field

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dc.contributor.authorStolze, Joachim
dc.contributor.authorDerzhko, Oleg
dc.contributor.authorKrokhmalskii, Taras
dc.date.accessioned2008-06-06T10:40:45Z
dc.date.available2008-06-06T10:40:45Z
dc.date.issued2002-04-26
dc.description.abstractThe zz and xx(yy) dynamic structure factors of the dimerized spin-½ isotropic XY chain in a transverse (z) field are calculated for arbitrary temperatures. The zz structure factor can be given in analytical terms, involving a single integration, whereas the xx dynamic structure factor can be evaluated completely numerically for very long chains. We compare the two structure factors and discuss in some detail how a dimerization manifests itself in the dynamic structure factors at different external fields and temperatures. We compare our results to corresponding results for the dimerized Heisenberg chain obtained by approximate techniques.en
dc.identifier.citationDerzhko, Oleg; Krokhmalskii, Taras; Stolze, Joachim: Dynamic properties of the dimerized spin-1/2 isotropic XY chain in a transverse field. In: Journal of Physics A Nr. 16, Jg. 35(2002), S. 3573-3596, doi: 10.1088/0305-4470/35/16/301.de
dc.identifier.doi10.1088/0305-4470/35/16/301
dc.identifier.urihttp://hdl.handle.net/2003/25451
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-2838
dc.identifier.urlhttp://dx.doi.org/10.1088/0305-4470/35/16/301
dc.language.isoende
dc.publisherIOP Publishingen
dc.rightsCopyright © Institute of Physicsen
dc.subject.ddc530
dc.titleDynamic properties of the dimerized spin-1/2 isotropic XY chain in a transverse fielden
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsrestricted

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