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Hellmann-Feynman and Virial Theorems in the X α Method

✍ Scribed by Slater, John C.


Book ID
121838838
Publisher
American Institute of Physics
Year
1972
Tongue
English
Weight
711 KB
Volume
57
Category
Article
ISSN
0021-9606

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Extension of the quantum virial and Hell
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In the present article, we extended the quantum virial and Hellmann᎐Feynman theorems to the quantum statistical averages, that is, to the thermal states. We obtained some new formulas which make possible expressing the thermodynamical observables of the system as functions of the moments of coordina