Processos termodinâmicos em um poço de potencial infinito
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Data
2023-08-21
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Universidade Federal de Goiás
Resumo
Using classical thermodynamics concepts as a basis, the objective was to find expressions for pressure and temperature, based on a quantum system composed of a particle trapped in a one-dimensional potential well.
Initially, a historical overview of thermal machines is presented, including their practical utility and how they have evolved over the centuries. Next, the issue is introduced, the system and its components are described, and the equation defining its energy state is presented. Using the derived equations, relationships were deduced that, for the infinite one-dimensional potential well, are analogous to the concepts of temperature and pressure.
Subsequently, two thermal cycles are presented (the Carnot cycle and the Otto cycle), and the curves that form them are described based on the concepts established throughout the work.
In conclusion, it can be stated that the obtained results were satisfactory, as they not only exhibit dimensional agreement with the initially proposed ideas but also expand the theory already well-founded in the literature [2] by introducing two expressions that serve as quantum analogs to concepts established for classical systems.
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Termodinâmica quântica, Poço potencial, Processos térmicos, Quantum thermodynamics, Potential well, Thermal processes
Citação
RAMOS JÚNIOR, Alessandro. Processos termodinâmicos em um poço de potencial infinito. 2023. 38 f. Trabalho de Conclusão de Curso (Bacharelado em Física) - Instituto de Física, Universidade Federal de Goiás, Goiânia, 2023.