File:C*- Álgebras e a Descrição da Mecânica Quântica.pdf
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[edit]DescriptionC*- Álgebras e a Descrição da Mecânica Quântica.pdf |
Português: Resumo: Neste artigo apresentamos a Teoria das C * -Álgebras. Demonstramos dois importantes resultados que são: o Teorema de Gelfand, que associa toda C* -Álgebra Abeliana às funções contínuas sobre um espaço Hausdorff compacto, e o Teorema de Gelfand-Neumark, que relaciona toda C* -Álgebra não Abeliana aos operadores lineares sobre um espaço de Hilbert. Em seguida, mapeamos a Mecânica Clássica dentro da teoria da C * -Álgebra, obtendo uma prescrição algébrica para os estados e às observáveis clássicas. Ao estendermos essa construção para o caso Quântico, preservando a prescrição algébrica e utilizando o Princípio da Incerteza, obtemos que os estados quânticos devem ser descritos por vetores do Espaço de Hilbert enquanto que os observáveis quânticos são os operadores auto-adjuntos sobre este espaço; discutimos brevemente sobre a Álgebra de Weyl. |
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Source | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-11172018000300405&lng=pt&tlng=pt |
Author | Sergio Floquet,Augusto A. de Castro Júnior,Marco A. S. Trindade,J. David M. Vianna |
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