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Fluctuating local field approach to the description of lattice models in the strong coupling regime

dc.contributor.authorRubtsov, A. N.
dc.contributor.authorLyakhova, Y. S.
dc.contributor.authorЛяхова, Яна Сергеевна
dc.date.accessioned2024-12-25T14:15:00Z
dc.date.available2024-12-25T14:15:00Z
dc.date.issued2022
dc.description.abstract© 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.We consider 2D Hubbard clusters magnetism in the strong coupling regime. We show that the mean field approach does not provide sufficient results. Acting in assumption that the origin of unphysical predictions is the lack of local moment fluctuations, we develop the recently introduced Fluctuating Local Field scheme in the vicinity of atomic limit. Our numerical calculations show significant qualitative improvement of the results obtained within the mean field approach. We supply the discussion of the results with the perspectives for future quantitative improvements.
dc.identifier.citationRubtsov, A. N. Fluctuating local field approach to the description of lattice models in the strong coupling regime / Rubtsov, A.N., Lyakhova, Y.S. // Journal of Superconductivity and Novel Magnetism. - 2022. - 10.1007/s10948-022-06303-8
dc.identifier.doi10.1007/s10948-022-06303-8
dc.identifier.urihttps://www.doi.org/10.1007/s10948-022-06303-8
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85131309035&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000804491100001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/27965
dc.relation.ispartofJournal of Superconductivity and Novel Magnetism
dc.titleFluctuating local field approach to the description of lattice models in the strong coupling regime
dc.typeArticle
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