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Generalized Hellmann-Feynman theorem for ensemble average expressed in the formalism of pure state expectation - MaRDI portal

Generalized Hellmann-Feynman theorem for ensemble average expressed in the formalism of pure state expectation (Q436980)

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scientific article; zbMATH DE number 6057714
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Generalized Hellmann-Feynman theorem for ensemble average expressed in the formalism of pure state expectation
scientific article; zbMATH DE number 6057714

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    Generalized Hellmann-Feynman theorem for ensemble average expressed in the formalism of pure state expectation (English)
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    17 July 2012
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    generalized Hellmann-Feynman theorem
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    thermal vacuum state
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    von Neumann entropy
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