Avalanches in the 3D-GRFIM with metastable dynamics: Finite-size Effects on critical exponents

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RECERCAT Home > Universitat Politècnica de Catalunya > Tesines i projectes i treballs de final de carrera > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2099.1/12664

dc.contributor	Universitat Politècnica de Catalunya. Departament de Física Aplicada
dc.contributor	Vives i Santa-Eulàlia, Eduard
dc.contributor.author	Baró i Urbea, Jordi
dc.date	2011-06-17
dc.identifier.uri	http://hdl.handle.net/2099.1/12664
dc.language.iso	eng
dc.publisher	Universitat Politècnica de Catalunya
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Física
dc.subject	Computer algorithms
dc.subject	Three-dimensional display systems
dc.subject	3D-Gaussian Random Field Ising Model
dc.subject	Criticality
dc.subject	Sorted-List
dc.subject	Avalanche Dynamics Max
dc.subject	Likelihood
dc.subject	Algorismes computacionals
dc.subject	Visualització tridimensional (Informàtica)
dc.title	Avalanches in the 3D-GRFIM with metastable dynamics: Finite-size Effects on critical exponents
dc.type	info:eu-repo/semantics/masterThesis
dc.description.abstract	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.

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