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Avalanches in the 3D-GRFIM with metastable dynamics: Finite-size Effects on critical exponents
Baró i Urbea, Jordi
Universitat Politècnica de Catalunya. Departament de Física Aplicada; Vives i Santa-Eulàlia, Eduard
The Sorted-List algorithm for the simulation of a 3D-GRFIM has been implemented in C++ and executed in DIRAC Iberian grid in order to obtain distributions of size and duration of magnetization avalanches. We have performed maximum-likelihood estimations of the power-law exponents. We have obtained 2D-exponent maps by scanning the upper and lower bounds of the distribution. We have used the maps to compare the behaviour of two different methods for classifying percolating avalanches and evaluate the dependence of the exponent with the disorder parameter R and the size of the lattice L.
Àrees temàtiques de la UPC::Física
Computer algorithms
Three-dimensional display systems
3D-Gaussian Random Field Ising Model
Avalanche Dynamics Max
Algorismes computacionals
Visualització tridimensional (Informàtica)
Attribution-NonCommercial-NoDerivs 3.0 Spain
Universitat Politècnica de Catalunya

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Nataf, Guillaume F.; Castillo-Villa, Pedro O.; Baró i Urbea, Jordi; Illa i Tortos, Xavier; Vives i Santa-Eulàlia, Eduard; Planes Vila, Antoni; Ealje, E.K.H.