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dc.contributor.authorAncilotto, Francescocat
dc.contributor.authorBarranco Gómez, Manuelcat
dc.contributor.authorMayol Sánchez, Ricardocat
dc.contributor.authorPi Pericay, Martícat
dc.description.abstractWe show that, at high densities, fully variational solutions of solidlike types can be obtained from a density functional formalism originally designed for liquid 4He . Motivated by this finding, we propose an extension of the method that accurately describes the solid phase and the freezing transition of liquid 4He at zero temperature. The density profile of the interface between liquid and the (0001) surface of the 4He crystal is also investigated, and its surface energy evaluated. The interfacial tension is found to be in semiquantitative agreement with experiments and with other microscopic calculations. This opens the possibility to use unbiased density functional (DF) methods to study highly nonhomogeneous systems, like 4He interacting with strongly attractive impurities and/or substrates, or the nucleation of the solid phase in the metastable liquid.eng
dc.publisherThe American Physical Societyeng
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per PROLA i
dc.relation.ispartofPhysical Review B, 2005, vol. 72, núm. 21, p. 214522-1-214522-5eng
dc.rights(c) The American Physical Society, 2005eng
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationLíquids quànticscat
dc.subject.classificationTeoria del funcional de densitatcat
dc.subject.classificationEquacions d'estatcat
dc.subject.otherQuantum fluidseng
dc.subject.otherDensity functional theoryeng
dc.subject.otherEquations of stateeng
dc.titleFreezing of 4He and its liquid-solid interface from density functional theoryeng
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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