Scientific article
English

Non-universal critical behaviour in the 1D BEG model with Kawasaki dynamics

Published inJournal of Physics. A, Mathematical and General, vol. 25, no. 1, p. 73-83
Publication date1992
Abstract

The authors investigate the one-dimensional Blume-Emery-Griffiths model with Kawasaki dynamics, using domain-wall arguments (DWA) and Monte Carlo simulations (MCS) (conventional and Gillespie algorithm), after a quench from a disordered state to low temperatures. They observe that this model exhibits domain scaling behaviour, controlled by a universal exponent (x=1/3) as in other dimensions for model B. However, they find also that the critical exponent z is not universal and depends on the coupling constants of the Hamiltonian. The results of DWA are consistent with those of MCS.

Citation (ISO format)
MENDES, J.F.F. et al. Non-universal critical behaviour in the 1D BEG model with Kawasaki dynamics. In: Journal of Physics. A, Mathematical and General, 1992, vol. 25, n° 1, p. 73–83. doi: 10.1088/0305-4470/25/1/012
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Identifiers
Journal ISSN0305-4470
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