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Teoreticheskaya i Matematicheskaya Fizika, 1994, Volume 101, Number 2, Pages 304–314 (Mi tmf1687)  

This article is cited in 1 scientific paper (total in 1 paper)

Kondo interaction and strongly correlated electrons

P. B. Zubin, V. A. Ivanov, E. A. Ugolkova

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
References:
Abstract: A study is made of a system of strongly correlated electrons that are localized on a lattice and coupled to the free electrons by the 4-fermion interaction proposed by Kondo. A realistic Hamiltonian is constructed in the basis of atomic operators of the superalgebra spl(8;8). A scheme is proposed for calculating the spectrum of Fermi excitations with respect to a small parameter, which is the hopping integral made dimensionless by intraatomic correlations. The static spin susceptibility is calculated as a function of the temperature and concentration of the electrons and is found to be in agreement with the experimental susceptibility for several narrow-band organometallic compounds. The nonphonon kinematic mechanism is used to estimate the possibility of superconducting pairing in the proposed model, and $T_c$ and the corresponding critical electron concentration in one of the correlated bands are calculated.
Received: 14.07.1993
English version:
Theoretical and Mathematical Physics, 1994, Volume 101, Issue 2, Pages 1368–1375
DOI: https://doi.org/10.1007/BF01018285
Bibliographic databases:
Language: Russian
Citation: P. B. Zubin, V. A. Ivanov, E. A. Ugolkova, “Kondo interaction and strongly correlated electrons”, TMF, 101:2 (1994), 304–314; Theoret. and Math. Phys., 101:2 (1994), 1368–1375
Citation in format AMSBIB
\Bibitem{ZubIvaUgo94}
\by P.~B.~Zubin, V.~A.~Ivanov, E.~A.~Ugolkova
\paper Kondo interaction and strongly correlated electrons
\jour TMF
\yr 1994
\vol 101
\issue 2
\pages 304--314
\mathnet{http://mi.mathnet.ru/tmf1687}
\transl
\jour Theoret. and Math. Phys.
\yr 1994
\vol 101
\issue 2
\pages 1368--1375
\crossref{https://doi.org/10.1007/BF01018285}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1994QY17400012}
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  • https://www.mathnet.ru/eng/tmf/v101/i2/p304
  • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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