Mode-coupling theory predictions for a limited valency attractive square well model (Articolo in rivista)

Type
Label
  • Mode-coupling theory predictions for a limited valency attractive square well model (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-8984/18/36/S11 (literal)
Alternative label
  • E. Zaccarelli (1,2); I. Saika-Voivod (3); A.J. Moreno (4); E. La Nave (1,2); S.V. Buldyrev (5); F. Sciortino (1); P. Tartaglia (6) (2006)
    Mode-coupling theory predictions for a limited valency attractive square well model
    in Journal of physics. Condensed matter (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • E. Zaccarelli (1,2); I. Saika-Voivod (3); A.J. Moreno (4); E. La Nave (1,2); S.V. Buldyrev (5); F. Sciortino (1); P. Tartaglia (6) (literal)
Pagina inizio
  • S2373 (literal)
Pagina fine
  • S2382 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0953-8984/18/36/S11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 18 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 36 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento di Fisica and CNR-INFM-SOFT, Università di Roma 'La Sapienza', Piazzale Aldo Moro 2, I-00185, Roma, Italy (2) ISC-CNR, Via dei Taurini 19, I-00185, Roma, Italy (3) Department of Chemistry, University of Saskatchewan, Saskatoon, Saskatchewan, S7N 5C9, Canada (4) Donostia International Physics Center, Paseo Manuel de Lardizabal 4, E-20018 San Sebastián, Spain (5) Department of Physics, Yeshiva University, 500 W 185th Street, New York, NY 10033, USA (6) Dipartimento di Fisica and CNR-INFM-SMC, Università di Roma 'La Sapienza', Piazzale Aldo Moro 2, I-00185, Roma, Italy (literal)
Titolo
  • Mode-coupling theory predictions for a limited valency attractive square well model (literal)
Abstract
  • Recently we have studied, using numerical simulations, a limited valency model, i.e. an attractive square well model with a constraint on the maximum number of bonded neighbours. Studying a large region of temperatures T and packing fractions phi, we have estimated the location of the liquid-gas phase separation spinodal and the loci of dynamic arrest, where the system is trapped in a disordered non-ergodic state. Two distinct arrest lines for the system are present in the system: a ( repulsive) glass line at high packing fraction, and a gel line at low phi and T. The former is essentially vertical (phi controlled), while the latter is rather horizontal (T controlled) in the (phi-T) plane. We here complement the molecular dynamics results with mode coupling theory calculations, using the numerical structure factors as input. We find that the theory predicts a repulsive glass line-in satisfactory agreement with the simulation results - and an attractive glass line, which appears to be unrelated to the gel line. (literal)
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