Acoustic Dissipation and Density of States in Liquid, Supercooled, and Glassy Glycerol (Articolo in rivista)

Type
Label
  • Acoustic Dissipation and Density of States in Liquid, Supercooled, and Glassy Glycerol (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.106.155701 (literal)
Alternative label
  • L. Comez;1,2 G. Monaco;3 C. Masciovecchio;4 A. Paciaroni;2 A. Gessini;4 F. Scarponi;2 G. Ruocco;5 and D. Fioretto2 (2011)
    Acoustic Dissipation and Density of States in Liquid, Supercooled, and Glassy Glycerol
    in Physical review letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • L. Comez;1,2 G. Monaco;3 C. Masciovecchio;4 A. Paciaroni;2 A. Gessini;4 F. Scarponi;2 G. Ruocco;5 and D. Fioretto2 (literal)
Pagina inizio
  • 155701-1 (literal)
Pagina fine
  • 155701-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 106 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1IOM-CNR, c/o Universita` di Perugia, I-06123, Perugia, Italy 2Dipartimento di Fisica, Universita` di Perugia, I-06123, Perugia, Italy 3European Syncrotron Radiation Facility, B.P. 220 F-38043, Grenoble, France 4Sincrotrone Trieste, Area Science Park - 34012 Basovizza Trieste, Italy 5Dipartimento di Fisica, Universita` di Roma ''La Sapienza,'' P. A. Moro 2, I-00185 Roma, Italy (literal)
Titolo
  • Acoustic Dissipation and Density of States in Liquid, Supercooled, and Glassy Glycerol (literal)
Abstract
  • Combined Brillouin spectra collected at visible, ultraviolet, and x-ray frequencies are used to reconstruct the imaginary part of the acoustic compliance J'' over a wide frequency range between 0.5 GHz and 5 THz. For liquid, supercooled, and glassy glycerol, J'' is found to be linearly dependent on the tagged-particle susceptibility measured by incoherent neutron scattering up to 1 THz, giving evidence of a clear relation between acoustic power dissipation and density of states. A simple but general formalism is presented to quantitatively explain this relation, thus clarifying the connection between the quasielastic component observed in neutron scattering experiments and the fast relaxation dynamics probed by Brillouin scattering. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it