Cage Diffusion in Liquid Mercury (Articolo in rivista)

Type
Label
  • Cage Diffusion in Liquid Mercury (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevE.68.061208 (literal)
Alternative label
  • Badyal Y. S. (1), Bafile U. (2), Miyazaki K. (3), de Schepper I. M. (4), Montfrooij W. (5) (2003)
    Cage Diffusion in Liquid Mercury
    in Physical review. E, Statistical, nonlinear, and soft matter physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Badyal Y. S. (1), Bafile U. (2), Miyazaki K. (3), de Schepper I. M. (4), Montfrooij W. (5) (literal)
Pagina inizio
  • 061208 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 68 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • pagine da 061208-1 a 061208-7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA (2) Istituto di Fisica Applicata \"Nello Carrara,\" Consiglio Nazionale delle Ricerche, Firenze, Italy (3) Department of Chemistry and Chemical Biology, Harvard University, Massachusetts 02138, USA (4) Interfaculty Reactor Institute, TU Delft, 2629 JB Delft, The Netherlands (5) University of Missouri, Columbia, Missouri 65211, USA (literal)
Titolo
  • Cage Diffusion in Liquid Mercury (literal)
Abstract
  • We present inelastic neutron scattering measurements on liquid mercury at room temperature for wave numbers q in the range 0.3 - 7.0 Å-1. We find that the energy half width of the incoherent part of the dynamic structure factor S(q,E) is determined by a self-diffusion process. The half width of the coherent part of S(q,E) shows the characteristic behavior expected for a cage diffusion process. We also show that the response function at small wave numbers exhibits a quasielastic mode with a time scale characteristic of cage diffusion, however, its intensity is larger by an order of magnitude than what would be expected for cage diffusion. We speculate on a scenario in which the intensity of the cage diffusion mode at small wave numbers is amplified through a valence fluctuation mechanism. (literal)
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