Geodesic
Generalized Kondo lattice model and its spin-polaron realization by the~projection method for cuprates
Teoretičeskaâ i matematičeskaâ fizika, Tome 191 (2017) no. 2, pp. 319-333

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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, Kondo lattice model, spin polaron.
Mots-clés : spin–fermion model 
@article{TMF_2017_191_2_a13,
     author = {V. V. Valkov and D. M. Dzebisashvili and A. F. Barabanov},
     title = {Generalized {Kondo} lattice model and its spin-polaron realization by the~projection method for cuprates},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {319--333},
     publisher = {mathdoc},
     volume = {191},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2017_191_2_a13/}
}
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V. V. Valkov; D. M. Dzebisashvili; A. F. Barabanov. Generalized Kondo lattice model and its spin-polaron realization by the~projection method for cuprates. Teoretičeskaâ i matematičeskaâ fizika, Tome 191 (2017) no. 2, pp. 319-333. http://geodesic.mathdoc.fr/item/TMF_2017_191_2_a13/