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Perturbation treatment of correlations in transition metals

โœ Scribed by Treglia, G.; Ducastelle, F.; Spanjaard, D.

Book ID
121766455
Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
159 KB
Volume
15-18
Category
Article
ISSN
0304-8853

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๐Ÿ“œ SIMILAR VOLUMES

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## Abstract Correlation effects in disordered transition metal alloys are studied within the degenerated Hubbard model using the perturbation theory limited to the second order in __U/w__ (__U__ Coulomb integral, __w__ bandwidth). The influence of disorder is included within the coherent potential

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The influence of electron correlations on the ground-state properties of transition metals is discussed. A number of corresponding effects are considered. Among them are a suppression of charge fluctuations, build-up of Hund's rule correlations, modification of the Stoner-Wohlfarth criterium for the