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2004

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/10548

Spanning avalanches in the three-dimensional Gaussian random-field Ising model with metastable dynamics: Field dependence and geometrical properties

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http://dx.doi.org/10.1103/PhysRevB.70.214422

Abstract

Spanning avalanches in the 3D Gaussian Random Field Ising Model (3D-GRFIM) with metastable dynamics at T=0 have been studied. Statistical analysis of the field values for which avalanches occur has enabled a Finite-Size Scaling (FSS) study of the avalanche density to be performed. Furthermore, a direct measurement of the geometrical properties of the avalanches has confirmed an earlier hypothesis that several types of spanning avalanches with two different fractal dimensions coexist at the critical point. We finally compare the phase diagram of the 3D-GRFIM with metastable dynamics with the same model in equilibrium at T=0.

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Termodinàmica, Mètodes de simulació

Subject (English)

Thermodynamics, Simulation methods

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Articles publicats en revistes (Física Quàntica i Astrofísica)

Citation

PÉREZ RECHE, Francisco José and VIVES I SANTA-EULÀLIA, Eduard. Spanning avalanches in the three-dimensional Gaussian random-field Ising model with metastable dynamics: Field dependence and geometrical properties. Physical Review B. 2004. Vol. 70, num. 21, pags. 214422-1-214422-14. ISSN 0163-1829. [consulted: 11 of August of 2026]. Available at: https://hdl.handle.net/2445/10548

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