期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS C
卷 16, 期 10, 页码 1507-1517出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0129183105008102
关键词
Ising nearest neighbors; reshuffling; sociophysics; phase transition; critical temperature
Galam reshuffling introduced in opinion dynamics models, is investigated under the nearest neighbor Ising model on a square lattice using Monte Carlo simulations. While the corresponding Galam analytical critical temperature Tc approximate to 3.09 [J/k(B)] is recovered almost exactly, it is proved to be different from both values, not reshuffled (T-C = 2/arcsinh (1) approximate to 2.27 [J/k(B)]) and mean-field (TC = 4 [J/k(B)]). On this basis, gradual reshuffling is studied as function of 0 <= p <= 1 where p measures the probability of spin reshuffling after each Monte Carlo step. The variation of TC as function of p is obtained and exhibits a nonlinear behavior. The simplest Solomon network realization is noted to reproduce Calam p = 1 result. Similarly to the critical temperature, critical exponents are found to differ from both, the classical Ising case and the mean field values.
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