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Electron correlations in narrow energy bands: ground state energy and metal-insulator transition

The electron correlations in narrow energy bands are examined within the framework of the Hubbard model. The single-particle Green function and energy spectrum are obtained in a paramagnetic state at half-ﬁlling by means of a new two-pole approximation. Analytical expressions for the energy gap,...

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Veröffentlicht in:	Condensed Matter Physics
Datum:	2000
Hauptverfasser:	Didukh, L., Skorenkyy, Yu.
Format:	Artikel
Sprache:	Englisch
Veröffentlicht:	Інститут фізики конденсованих систем НАН України 2000
Online Zugang:	https://nasplib.isofts.kiev.ua/handle/123456789/120984
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!
Назва журналу:	Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:	Electron correlations in narrow energy bands: ground state energy and metal-insulator transition / L. Didukh, Yu. Skorenkyy // Condensed Matter Physics. — 2000. — Т. 3, № 4(24). — С. 787-798. — Бібліогр.: 27 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine

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