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Title: The Lee-Yang Theorem and applications
Author: Quera Bofarull, Arnau
Director: Fiol Núñez, Bartomeu
Keywords: Mecànica estadística
Transformacions de fase (Física estadística)
Treballs de fi de grau
Statistical mechanics
Phase transformations (Statistical physics)
Bachelor's thesis
Issue Date: Jun-2015
Abstract: We present the Lee-Yang theory that links the study of phase transitions to the localization of zeros in the complex fugacity plane. We prove the Lee-Yang theorem using Asano's contraction method and we apply it for the one and two dimensional Ising model. We also show that the Lee-Yang formalism can shed some light on the di cult task of counting the number of ground states in supersymmetric theories.
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Any: 2015, Tutor: Tomeu Fiol
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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