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Short-time dynamics of a family of XY noncollinear magnets

S. Bekhechi·B. W. Southern·A. Peles·D. Mouhanna
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Abstract

Critical scaling and universality in the short-time dynamics for antiferromagnetic models on a three-dimensional stacked triangular lattice are investigated using Monte Carlo simulation. We have determined the critical point by searching for the best power law for the order parameter as a function of time and measured the critical exponents. Our results indicate that it is possible to distinguish weak first-order from second-order phase transitions and confirm that XY antiferromagnetic systems undergo a (weak) first order phase transition.

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S. Bekhechi, B. W. Southern, A. Peles, D. Mouhanna. 2006-03-07. Short-time dynamics of a family of XY noncollinear magnets. https://doi.org/10.1103/physreve.74.016109

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