Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/18853
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dc.contributor.authorAnento Moreno, Napoleóncat
dc.contributor.authorPadró i Cárdenas, Joan Àngelcat
dc.date.accessioned2011-07-07T12:54:03Z-
dc.date.available2011-07-07T12:54:03Z-
dc.date.issued2001-
dc.identifier.issn1063-651X-
dc.identifier.urihttp://hdl.handle.net/2445/18853-
dc.description.abstractA series of molecular dynamics simulations of simple liquid binary mixtures of soft spheres with disparate-mass particles were carried out to investigate the origin of the marked differences between the dynamic structure factors of some liquid binary mixtures such as the Li0.7Mg0.3 and Li0.8Pb0.2 alloys. It is shown that the facility for observing peaks associated with fast-propagating modes in the partial Li-Li dynamic structure factor of Li0.8Pb0.2 should be mainly attributed to the structure of this alloy, which is characterized by an incipient ABAB ordering as found in molten salts. The longitudinal dispersion relations at intermediate wave vectors obtained from the longitudinal current spectra are very similar for the two alloys and reflect the existence of both fast-and slow-propagating modes of kinetic character associated with light and heavy particles, respectively. The influence of the hardness of the repulsive potential cores as well as the composition of the mixture on the longitudinal collective modes is also discussed.eng
dc.format.extent10 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoengeng
dc.publisherThe American Physical Societyeng
dc.relation.isformatofReproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.64.021202cat
dc.relation.ispartofPhysical Review e, 2001, vol. 64, núm. 2, p. 021202-1-021202-10-
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevE.64.021202-
dc.rights(c) American Physical Society, 2001-
dc.subject.classificationLíquidscat
dc.subject.classificationDinàmica molecularcat
dc.subject.otherLiquidseng
dc.subject.otherMolecular dynamicseng
dc.titleMolecular dynamics study of the longitudinal modes in disparate-mass binaryliquid mixtures.eng
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.identifier.idgrec197126-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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