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Title: Dynamic phase transition in the mean-field Ising model
Author: Maisel Licerán, Lucas
Director/Tutor: Planes Vila, Antoni
Keywords: Model d'Ising
Transformacions de fase (Física estadística)
Treballs de fi de grau
Ising model
Phase transformations (Statistical physics)
Bachelor's theses
Issue Date: Jun-2020
Abstract: We study the dynamic behavior of the Ising model under an oscillating magnetic field in the mean-field approximation. A dynamic phase transition causing a spontaneous symmetry breaking of the hysteresis loop arises due to the competition between the timescales associated with the spin relaxation and the oscillating field. A dynamic order parameter measuring the asymmetry of the hysteresis loop is defined and its critical behavior is explored. The critical exponents are found to match those of the equilibrium transition once the thermodynamic variables are replaced with certain dynamic variables.
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2020, Tutor: Antoni Planes i Vila
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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