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Random-field Potts model with dipolarlike interactions: Hysteresis avalanches and microstructure
Cerruti, Benedetta; Vives i Santa-Eulàlia, Eduard
Universitat de Barcelona
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.
Transformacions de fase (Física estadística)
Mecànica estadística
Phase transformations (Statistical physics)
Statistical mechanics
(c) The American Physical Society, 2008
Published by the American Physical Society through the American Institute of Physics

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