Cluster theory of Janus particles (Articolo in rivista)

Type
Label
  • Cluster theory of Janus particles (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c0sm00995d (literal)
Alternative label
  • Riccardo Fantoni (a); Achille Giacometti (b); Francesco Sciortino (c); Giorgio Pastore (d) (2011)
    Cluster theory of Janus particles
    in Soft matter (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Riccardo Fantoni (a); Achille Giacometti (b); Francesco Sciortino (c); Giorgio Pastore (d) (literal)
Pagina inizio
  • 2419 (literal)
Pagina fine
  • 2427 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 7 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a National Institute for Theoretical Physics (NITheP) and Institute of Theoretical Physics, Stellenbosch University, Stellenbosch, 7600, South Africa b Dipartimento di Scienze Molecolari e Nanosistemi, Universit?à di Venezia, S. Marta DD2137, I-30123 Venezia, Italy c Dipartimento di Fisica, Universit?à di Roma La Sapienza, Piazzale A. Moro 2, 00185 Roma, Italy - [ISC-CNR] d Dipartimento di Fisica dell' Universit?a, Strada Costiera 11, 34151 Trieste, Italy (literal)
Titolo
  • Cluster theory of Janus particles (literal)
Abstract
  • We apply a simple statistical mechanics cluster approximation for studying clustering in the Kern and Frenkel model of Janus fluids. The approach is motivated by recent Monte Carlo simulations work on the same model revealing that the vapor coexisting with the liquid phase contains clusters of different sizes and shapes whose equilibrium concentrations in general depend on the interaction range as well as on thermodynamic parameters. The approximation hinges on a separation between the intra- and inter-cluster contribution to thermodynamics, where only the former is explicitly computed by Monte Carlo simulations. Two level of a simple liquid theory approximations are exploited for the description of the latter. In the first we use the ideal-gas expressions and obtain a qualitative agreement with extensive Monte Carlo bulk simulations. This can be improved to a semi-quantitative agreement, by using a hard-sphere description for the cluster-cluster correlations. (literal)
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