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Title: Nonsingular Decaying Vacuum Cosmology and Entropy Production within the Generalized Second Law of Thermodynamics
Author: Porta Grau, Roger
Director/Tutor: Solà Peracaula, Joan
Keywords: Buit
Segon principi de la termodinàmica
Treballs de fi de grau
Second law of thermodynamics
Bachelor's theses
Issue Date: Jun-2020
Abstract: Within the framework of the running vacuum cosmology models, we solve Friedmann's equations and calculate the entropy of the apparent horizon, checking that the Generalized Second Law of thermodynamics is satis ed which implies to compute the contribution from both the usual entropy inside it as well as the contribution from its surface. We also show that the model solves the horizon problem and obtain constraints on the model's parameters through our thermodynamical analysis.
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2020, Tutor:Joan Solà Peracaula
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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