Electronic spectrum and superconductivity in Hubbard model

A microscopic theory of electronic spectrum and superconducting pairing within the Hubbard model is formulated. The Dyson equation for the normal and anomalous Green functions in terms of the Hubbard operators is derived by applying the Mori-type projection technique. The self-energy is evaluated in...

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Bibliographic Details
Published in:	Condensed Matter Physics
Main Authors:	N.M. Plakida, V.S. Oudovenko
Format:	Article
Language:	English
Published:	Yukhnovskii Institute for Condensed Matter Physics of the National Academy of Sciences of Ukraine 2008-09-01
Subjects:	strong electron correlations Hubbard model superconductivity
Online Access:	http://dx.doi.org/10.5488/CMP.11.3.495

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