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Nonequilibrium transitions in complex networks: a model of social interaction

AutorKlemm, Konstantin ; Eguíluz, Víctor M. ; Toral, Raúl ; San Miguel, Maxi
Palabras clave[PACS] Structures and organization in complex systems
[PACS] Lattice theory and statistics (Ising, Potts, etc.)
[PACS] Dynamics of social systems
Fecha de publicación26-feb-2003
EditorAmerican Physical Society
CitaciónPhysical Review E 67(2): 026120 (2003)
ResumenWe analyze the non-equilibrium order-disorder transition of Axelrod's model of social interaction in several complex networks. In a small world network, we find a transition between an ordered homogeneous state and a disordered state. The transition point is shifted by the degree of spatial disorder of the underlying network, the network disorder favoring ordered configurations. In random scale-free networks the transition is only observed for finite size systems, showing system size scaling, while in the thermodynamic limit only ordered configurations are always obtained. Thus in the thermodynamic limit the transition disappears. However, in structured scale-free networks, the phase transition between an ordered and a disordered phase is restored.
Descripción6 pages, 9 figures.-- PACS nrs.: 89.75.Fb, 05.50.+q, 87.23.Ge.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevE.67.026120
URIhttp://hdl.handle.net/10261/15337
DOI10.1103/PhysRevE.67.026120
ISSN1539-3755
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