Relaxation dynamics near the sol-gel transition: From cluster approach to mode-coupling theory (Articolo in rivista)

Type
Label
  • Relaxation dynamics near the sol-gel transition: From cluster approach to mode-coupling theory (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1140/epjst/e2014-02265-0 (literal)
Alternative label
  • Coniglio, A.; Arenzon, J. J.; Fierro, A.; Sellitto, M. (2014)
    Relaxation dynamics near the sol-gel transition: From cluster approach to mode-coupling theory
    in The European physical journal. Special topics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Coniglio, A.; Arenzon, J. J.; Fierro, A.; Sellitto, M. (literal)
Pagina inizio
  • 2297 (literal)
Pagina fine
  • 2306 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 223 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Naples Federico II; Universidade Federal do Rio Grande do Sul; Seconda Universita degli Studi di Napoli (literal)
Titolo
  • Relaxation dynamics near the sol-gel transition: From cluster approach to mode-coupling theory (literal)
Abstract
  • A long standing problem in glassy dynamics is the geometrical interpretation of clusters and the role they play in the observed scaling laws. In this context, the mode-coupling theory (MCT) of type-A transition and the sol-gel transition are both characterized by a structural arrest to a disordered state in which the long-time limit of the correlator continuously approaches zero at the transition point. In this paper, we describe a cluster approach to the sol-gel transition and explore its predictions, including universal scaling laws and a new stretched relaxation regime close to criticality. We show that while MCT consistently describes gelation at mean-field level, the percolation approach elucidates the geometrical character underlying MCT scaling laws. (literal)
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