期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 327, 期 1-2, 页码 1-5出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-4371(03)00428-X
关键词
non-equilibrium transition; sociophysics
We analyze a model of social interaction in one- and two-dimensional lattices for a moderate number of features. We introduce an order parameter as a function of the overlap between neighboring sites. In a one-dimensional chain, we observe that the dynamics is consistent with a second-order transition, where the order parameter changes continuously and the average domain diverges at the transition point. However, in a two-dimensional lattice the order parameter is discontinuous at the transition point characteristic of a first-order transition between an ordered and a disordered state. (C) 2003 Elsevier B.V. All rights reserved.
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