Comparison of voter and Glauber ordering dynamics on networks (Articolo in rivista)

Type
Label
  • Comparison of voter and Glauber ordering dynamics on networks (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevE.71.066107 (literal)
Alternative label
  • Claudio Castellano (1); Vittorio Loreto (1); Alain Barrat (2); Federico Cecconi (3); Domenico Parisi (3) (2005)
    Comparison of voter and Glauber ordering dynamics on networks
    in Physical review. E, Statistical, nonlinear, and soft matter physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Claudio Castellano (1); Vittorio Loreto (1); Alain Barrat (2); Federico Cecconi (3); Domenico Parisi (3) (literal)
Pagina inizio
  • 066107-1 (literal)
Pagina fine
  • 066107-8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevE.71.066107 (literal)
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  • 71 (literal)
Rivista
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  • doi:10.1103/PhysRevE.71.066107 (8 pages) (literal)
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  • 8 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento di Fisica, Università di Roma \"La Sapienza\" and Center for Statistical Mechanics and Complexity, INFM Unità Roma 1, P.le A. Moro 2, I-00185 Roma, Italy; (2) Laboratoire de Physique Théorique (UMR 8627 du CNRS), Bât. 210, Université de Paris-Sud, 91405 Orsay Cedex, France; (3) Institute of Cognitive Sciences and Technologies C.N.R., Viale Marx, 15, 00137, Roma, Italy (literal)
Titolo
  • Comparison of voter and Glauber ordering dynamics on networks (literal)
Abstract
  • We study numerically the ordering process of two very simple dynamical models for a two-state variable on several topologies with increasing levels of heterogeneity in the degree distribution. We find that the zerotemperature Glauber dynamics for the Ising model may get trapped in sets of partially ordered metastable states even for finite system size, and this becomes more probable as the size increases. Voter dynamics instead always converges to full order on finite networks, even if this does not occur via coherent growth of domains. The time needed for order to be reached diverges with the system size. In both cases the ordering process is rather insensitive to the variation of the degreee distribution from sharply peaked to scale free. (literal)
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