Method of anomalous Green's functions: Antiferromagnetism in the Hubbard model on a~triangular lattice
Teoretičeskaâ i matematičeskaâ fizika, Tome 101 (1994) no. 2, pp. 294-303
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A method is proposed for describing antiferromagnetic and ferromagnetic states on a triangular lattice in the formalism of anomalous temperature-dependent Green's functions, for which equations of Dyson–Gor'kov type are formulated. These equations are solved in the Hartree approximation, and self-consistency equations are obtained for the order parameters. Finally, the connection between the considered theory and experiment is discussed.
@article{TMF_1994_101_2_a10,
author = {K. N. Il'inskii and V. N. Popov},
title = {Method of anomalous {Green's} functions: {Antiferromagnetism} in the {Hubbard} model on a~triangular lattice},
journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
pages = {294--303},
publisher = {mathdoc},
volume = {101},
number = {2},
year = {1994},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TMF_1994_101_2_a10/}
}
TY - JOUR AU - K. N. Il'inskii AU - V. N. Popov TI - Method of anomalous Green's functions: Antiferromagnetism in the Hubbard model on a~triangular lattice JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1994 SP - 294 EP - 303 VL - 101 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1994_101_2_a10/ LA - ru ID - TMF_1994_101_2_a10 ER -
%0 Journal Article %A K. N. Il'inskii %A V. N. Popov %T Method of anomalous Green's functions: Antiferromagnetism in the Hubbard model on a~triangular lattice %J Teoretičeskaâ i matematičeskaâ fizika %D 1994 %P 294-303 %V 101 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1994_101_2_a10/ %G ru %F TMF_1994_101_2_a10
K. N. Il'inskii; V. N. Popov. Method of anomalous Green's functions: Antiferromagnetism in the Hubbard model on a~triangular lattice. Teoretičeskaâ i matematičeskaâ fizika, Tome 101 (1994) no. 2, pp. 294-303. http://geodesic.mathdoc.fr/item/TMF_1994_101_2_a10/