Abstract:
The two-orbital Hubbard modet with degeneracy and isotropic hopping integrals is
considered. A systematic method is proposed for taking into account iutra-atomic
correlations of the electrons by means of generalized Okubo tensor operators. The
spectrum of electron excitations in a very simple case is calculated as an example.
Citation:
A. V. Vedyaev, V. A. Ivanov, V. E. Shilov, “On a possibility of using generalized Okubo operators to take into account correlations in the Hubbard model with degeneracy”, TMF, 64:1 (1985), 163–170; Theoret. and Math. Phys., 64:1 (1985), 756–761
\Bibitem{VedIvaShi85}
\by A.~V.~Vedyaev, V.~A.~Ivanov, V.~E.~Shilov
\paper On a~possibility of using generalized Okubo operators to take into account correlations in the Hubbard model with degeneracy
\jour TMF
\yr 1985
\vol 64
\issue 1
\pages 163--170
\mathnet{http://mi.mathnet.ru/tmf4909}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=815104}
\transl
\jour Theoret. and Math. Phys.
\yr 1985
\vol 64
\issue 1
\pages 756--761
\crossref{https://doi.org/10.1007/BF01017043}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1985AYT5900014}
Linking options:
https://www.mathnet.ru/eng/tmf4909
https://www.mathnet.ru/eng/tmf/v64/i1/p163
This publication is cited in the following 5 articles:
Shilov V.E., Shilova E.V., “Perekhod metall-dielektrik v periodicheskoi modeli andersona - khabbarda v sluchae 3-kratnogo vyrozhdeniya”, Izvestiya vysshikh uchebnykh zavedenii. Povolzhskii region. Fiziko-matematicheskie nauki, 2011, no. 4, 101–109
V. E. Shilov, E. V. Shilova, “Perekhod metall–dielektrik v periodicheskoi modeli Andersona - Khabbarda v sluchae 3-kratnogo vyrozhdeniya”, Izvestiya vysshikh uchebnykh zavedenii. Povolzhskii region. Fiziko-matematicheskie nauki, 2011, no. 4, 101–109
A. V. Vedyaev, M. E. Zhuravlev, V. A. Ivanov, M. Marinaro, “The filling of electron bands in the periodical Anderson model”, Theoret. and Math. Phys., 108:1 (1996), 930–936
P. B. Zubin, V. A. Ivanov, E. A. Ugolkova, “Kondo interaction and strongly correlated electrons”, Theoret. and Math. Phys., 101:2 (1994), 1368–1375
A. V. Vedyaev, M. E. Zhuravlev, V. A. Ivanov, “Phase transitions in one-dimensional Hubbard model with degeneracy”, Theoret. and Math. Phys., 67:3 (1986), 627–629
Citation in format AMSBIB
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