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Title: Mean field approach to breakdown phenomena in disordered systems
Author: Roch i Carceller, Carles
Director: Planes Vila, Antoni
Keywords: Transformacions de fase (Física estadística)
Caos (Teoria de sistemes)
Treballs de fi de grau
Phase transformations (Statistical physics)
Chaotic behavior in systems
Bachelor's thesis
Issue Date: Jun-2018
Abstract: Breakdown phenomena can be understood as a phase transition that occur in athermal systems constituted of many interacting elements governed by the interplay between an external driving force and disorder. Representative examples are magnets driven by a magnetic field out of equilibrium and ruptures, in a stress driven fiber bundle. In this work we analyze critical behaviors of both cases within the mean field approach. The magnetic case has been compared with the Weiss model for a ferromagnet with no disorder at finite temperature. Finally, in the case of the fiber bundle model we show the existence of certain conditions for criticality to occur
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2018, Tutor: Antoni Planes
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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