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We study the single-band Hubbard model under the action of an external magnetic field using the cumulant Green's functions method (CGFM). The starting point of the method is to diagonalize a cluster containing N correlated sites (seed) and employ the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1798441641b83131afa77b14ec460fed
http://arxiv.org/abs/2205.01161
http://arxiv.org/abs/2205.01161
