Nonlocal exchange interactions in strongly correlated electron systems
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DOI: 10.1103/physrevb.101.235165
Abstract: We study the influence of ferromagnetic nonlocal exchange on correlated electrons in terms of a $SU(2)$-Hubbard-Heisenberg model and address the interplay of on-site interaction induced local moment formation and the competition of ferromagnetic direct and… read more here.
Keywords: exchange; exchange interactions; hubbard heisenberg; field ... See more keywords