Electron correlations in narrow energy bands: modified polar model approach

• Published in: Condensed Matter Physics
• Date: 2008
• Main Authors: Didukh, L., Skorenkyy, Yu., Kramar, O.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2008
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/119340
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Electron correlations in narrow energy bands: modified polar model approach / L. Didukh, Yu. Skorenkyy, O. Kramar // Condensed Matter Physics. — 2008. — Т. 11, № 3(55). — С. 443-454. — Бібліогр.: 50 назв. — англ.

The electron correlations in narrow energy bands are examined within the framework of the modi ed form of
 polar model. This model permits to analyze the effect of strong Coulomb correlation, inter-atomic exchange
 and correlated hopping of electrons and explain some peculiarities of...