Signatures of quantum behavior in the microscopic dynamics of liquid hydrogen and deuterium (Articolo in rivista)

Type
Label
  • Signatures of quantum behavior in the microscopic dynamics of liquid hydrogen and deuterium (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.2033807? (literal)
Alternative label
  • Cunsolo A. (1); Colognesi D. (2); Sampoli M. (3); Senesi R. (4); Verbeni R. (5) (2005)
    Signatures of quantum behavior in the microscopic dynamics of liquid hydrogen and deuterium
    in Journal of chemical physics online
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cunsolo A. (1); Colognesi D. (2); Sampoli M. (3); Senesi R. (4); Verbeni R. (5) (literal)
Pagina inizio
  • 114509 (literal)
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  • 123 (literal)
Rivista
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  • fasc. (11). American Institute of Physics (AIP). (literal)
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  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • 1. INFM-Operative Group in Grenoble, 6 rue J. Horowitz, 38043 Grenoble Cedex, France 2. Consiglio Nazionale delle Ricerche, Istituto dei Sistemi Complessi, via Madonna del Piano 10, 50019 Sesto Fiorentino (FI), Italy 3. Università degli Studi di Firenze and Istituto Nazionale per la Fisica della Materia, Dip.to di Energetica \"S. Stecco\", via Santa Marta 3, 50139, Firenze, Italy 4. INFM-UdR Roma \"Tor Vergata\", Dip.to di Fisica, Via della Ricerca Scientifica 1, 00133 Rome, Italy 5. European Synchrotron Radiation Facility, B.P. 220 F-38043, Grenoble Cedex, France (literal)
Titolo
  • Signatures of quantum behavior in the microscopic dynamics of liquid hydrogen and deuterium (literal)
Abstract
  • We discuss the microscopic dynamics and structure of liquid hydrogen and deuterium, as probed by inelastic x-ray scattering measurements. Samples are kept in corresponding thermodynamic conditions, at which classical systems are expected to exhibit the same dynamic and static responses. On the contrary, we observe clear differences revealing the onset of quantum deviations, both in the broadening of inelastic excitations and in the position of the first sharp diffraction peak. These features are discussed, compared to path-integral Monte Carlo simulations, and finally associated with the different de Broglie wavelengths of the two isotopes. (literal)
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