We analyze the nonequilibrium 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.
Nonequilibrium transitions in complex networks: a model of social interaction.
K. Klemm,V. Eguíluz,R. Toral,M. San Miguel
Published 2002 in Physical review. E, Statistical, nonlinear, and soft matter physics
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- Publication year
2002
- Venue
Physical review. E, Statistical, nonlinear, and soft matter physics
- Publication date
2002-10-24
- Fields of study
Mathematics, Physics, Medicine
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- Source metadata
Semantic Scholar, PubMed
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