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American Physical Society, Physical review B, 6(77), 2008

DOI: 10.1103/physrevb.77.064114

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Random-field Potts model with dipolarlike interactions: Hysteresis avalanches and microstructure

Journal article published in 2008 by Benedetta Cerruti, Eduard Vives i. Santa Eulàlia, Eduard Vives ORCID
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Abstract

A model for the study of hysteresis and avalanches in a first-order phase transition from a single variant phase to a multivariant phase is presented. The model is based on a modification of the random-field Potts model with metastable dynamics by adding a dipolar interaction term truncated at nearest neighbors. We focus our study on hysteresis loop properties, on the three-dimensional microstructure formation, and on avalanche statistics.