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Teoreticheskaya i Matematicheskaya Fizika, 2017, Volume 191, Number 2, Pages 319–333
DOI: https://doi.org/10.4213/tmf9234 (Mi tmf9234) 		 
This article is cited in 4 scientific papers (total in 4 papers)

Generalized Kondo lattice model and its spin-polaron realization by the projection method for cuprates

V. V. Valkova, D. M. Dzebisashviliba, A. F. Barabanovc

a Kirensky Institute of Physics, Siberian Branch, RAS, Krasnoyarsk, Russia
b Reshetnyov Siberian State Aerospace University, Krasnoyarsk, Russia
c Institute for High Pressure Physics, RAS, Troitsk, Moscow Oblast, Russia
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DOI: https://doi.org/10.4213/tmf9234
Abstract: The spin–fermion model, which is an effective low-energy realization of the three-band Emery model after passing to the Wannier representation for the $p_x$ and $p_y$ orbitals of the subsystem of oxygen ions, reduces to the generalized Kondo lattice model. A specific feature of this model is the existence of spin-correlated hoppings of the current carriers between distant cells. Numerical calculations of the spectrum of spin-electron excitations highlight the important role of the long-range spin-correlated hoppings.
Keywords: strong electron correlation, spin–fermion model, Kondo lattice model, spin polaron.
Funding agency Grant number
Russian Foundation for Basic Research 16-02-00073
16-42-240435
16-02-00304
Siberian Branch of Russian Academy of Sciences 0358-2015-0005
This research was supported by the Russian Foundation for Basic Research (Grant No. 16-02-00073, 16-02-00304, and 16-42-240435) and the Siberian Branch of the Russian Academy of Sciences (Complex Program No. II.2P, Grant No. 0358-2015-0005).
Received: 23.05.2016
Revised: 08.07.2016
English version:
Theoretical and Mathematical Physics, 2017, Volume 191, Issue 2, Pages 752–763
DOI: https://doi.org/10.1134/S0040577917050142
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. V. Valkov, D. M. Dzebisashvili, A. F. Barabanov, “Generalized Kondo lattice model and its spin-polaron realization by the projection method for cuprates”, TMF, 191:2 (2017), 319–333; Theoret. and Math. Phys., 191:2 (2017), 752–763
Citation in format AMSBIB
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    • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Теоретическая и математическая физика Theoretical and Mathematical Physics
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