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cond-mat.str-el2008★ 37 cited
Single-Component Molecular Metals as Multiband π-d Systems
Hitoshi Seo, Shoji Ishibashi, Yoshinori Okano +4
Electronic states of single-component molecular metals M(tmdt)2 (M = Ni, Au) are studied theoretically. We construct an effective three-band Hubbard model for each material by nume…
cond-mat.str-el2004
Gapless Excitation above a Domain Wall Ground State in a Flat Band Hubbard Model
Makoto Homma, Chigak Itoi
We construct a set of exact ground states with a localized ferromagnetic domain wall and with an extended spiral structure in a deformed flat-band Hubbard model in arbitrary dimens…