http://www.cnr.it/ontology/cnr/individuo/prodotto/ID166949
Inelastic neutron scattering and molecular dynamics determination of the interaction potential in liquid CD4 (Articolo in rivista)
- Type
- Label
- Inelastic neutron scattering and molecular dynamics determination of the interaction potential in liquid CD4 (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.99.167801 (literal)
- Alternative label
Guarini E. (1,3); Sampoli M. (2,3); Venturi G. (3); Bafile U. (4); Barocchi F. (1,3) (2007)
Inelastic neutron scattering and molecular dynamics determination of the interaction potential in liquid CD4
in Physical review letters (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Guarini E. (1,3); Sampoli M. (2,3); Venturi G. (3); Bafile U. (4); Barocchi F. (1,3) (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1. Dipartimento di Fisica, Università di Firenze, via G. Sansone 1, I-50019 Sesto Fiorentino, Italy
2. Dipartimento di Energetica, Università di Firenze, via S. Marta 3, I-50139 Firenze, Italy
3. CNR-INFM CRS-Soft c/o Dipartimento di Fisica, Università di Firenze, via G. Sansone 1, I-50019 Sesto Fiorentino, Italy
4. Consiglio Nazionale delle Ricerche, Istituto dei Sistemi Complessi, via Madonna del Piano 10, I-50019 Sesto Fiorentino, Italy (literal)
- Titolo
- Inelastic neutron scattering and molecular dynamics determination of the interaction potential in liquid CD4 (literal)
- Abstract
- Anisotropic interactions of liquid CD4 are studied in detail by comparison of inelastic neutron Brillouin scattering data with molecular dynamics simulations using up to four different models of the methane site-site potential. We demonstrate that the experimental dynamic structure factor S(Q,omega) acts as a highly discriminating quantity for possible interaction schemes. In particular, the Q evolution of the spectra enables a selective probing of the short- and medium-range features of the anisotropic potentials. We show that the preferential configuration of methane dimers at liquid densities can thus be discerned by analyzing the orientation-dependent model potential curves, in light of the experimental and simulation results. (literal)
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