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The functional integral in the Hubbard model

✍ Scribed by V. M. Zharkov

Book ID: 118810966
Publisher: SP MAIK Nauka/Interperiodica
Year: 2012
Tongue: English
Weight: 443 KB
Volume: 172
Category: Article
ISSN: 0040-5779
DOI: 10.1007/s11232-012-0115-5

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## Abstract The behaviour of two neighbouring magnetic centres imbedded in an effective energy band is studied with the aid of the functional integral formalism. The model includes the parts of intra‐atomic and inter‐atomic Coulomb interaction which can be written in terms of occupation number oper