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The influence of the indirect exchange interaction on the Hubbard Hamiltonian

โœ Scribed by J. Schneider; E. Heiner


Publisher
John Wiley and Sons
Year
1971
Tongue
English
Weight
101 KB
Volume
45
Category
Article
ISSN
0370-1972

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โœ J. Friedel; C. Noguera ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 669 KB

## Abstract One of the simplest ways to take into account correlations between electrons in solid state physics, beyond the usual one electron approximation, is to use the Hubbard Hamiltonian Although it corresponds to very severe approximations, since intersite correlations are neglected, and si