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arXiv:cond-mat/0102500 · Physica A Statistical Mechanics and its Applications

Short-time critical dynamics and universality on a two-dimensional triangular lattice

H.-P Ying, L Wang, Jianbo Zhang, M Jiang, J Hu

Published May 1, 2001• 10 citations
arXivHTMLPDF
DOI
10.1016/s0378-4371(01)00041-3

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Critical scaling and universality in short-time dynamics for spin models on a twodimensional triangular lattice are investigated by using Monte Carlo simulation. Emphasis is placed on the dynamic evolution from fully ordered initial states to show that universal scaling exists already in the short-time regime in form of power-law behavior of the magnetization and Binder cumulant. The results measured for the dynamic and static critical exponents, θ, z, β and ν, confirm explicitly that the Potts models on the triangular lattice and square lattice belong to the same universality class. Our critical scaling analysis strongly suggests that the simulation for the dynamic relaxation can be used to determine numerically the universality.
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