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TMF, 1991, Volume 86, Number 2, Pages 262–271 (Mi tmf5441)  

This article is cited in 2 scientific papers (total in 2 papers)

Transformation of electron spectrum in the Hubbard model

V. M. Zharkov


Abstract: A new functional representation for strongly correlated systems is used to study the evolution of the electron spectrum in the Hubbard model with increasing $U$. It is established that the parametric instability of the ground state of a strongly correlated metal with 1/4 filled band can be described by linear transformations of the dynamic fields. It is shown that the operator of the transformations has a nontrivial kernel. It is noted that the considered system can serve as a point of departure for interpreting structural transitions of $2k_F$ and $4k_F$ types in the quasione-dimensional metal MEM(TCNQ)$_2$.

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English version:
Theoretical and Mathematical Physics, 1991, 86:2, 181–188

Bibliographic databases:

Received: 07.05.1990

Citation: V. M. Zharkov, “Transformation of electron spectrum in the Hubbard model”, TMF, 86:2 (1991), 262–271; Theoret. and Math. Phys., 86:2 (1991), 181–188

Citation in format AMSBIB
\Bibitem{Zha91}
\by V.~M.~Zharkov
\paper Transformation of electron spectrum in the Hubbard model
\jour TMF
\yr 1991
\vol 86
\issue 2
\pages 262--271
\mathnet{http://mi.mathnet.ru/tmf5441}
\mathscinet{http://www.ams.org/mathscinet-getitem?mr=1107707}
\transl
\jour Theoret. and Math. Phys.
\yr 1991
\vol 86
\issue 2
\pages 181--188
\crossref{https://doi.org/10.1007/BF01016170}
\isi{http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=A1991GH61300010}


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  • http://mi.mathnet.ru/eng/tmf/v86/i2/p262

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. V. M. Zharkov, “Symmetry tower in the Hubbard model”, Theoret. and Math. Phys., 90:1 (1992), 49–54  mathnet  crossref  mathscinet  isi
    2. V. M. Zharkov, “The functional integral in the Hubbard model”, Theoret. and Math. Phys., 172:3 (2012), 1300–1314  mathnet  crossref  crossref  mathscinet  adsnasa  isi  elib  elib
  • Теоретическая и математическая физика Theoretical and Mathematical Physics
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