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Prog. Theor. Phys. Supplement No.69 (1980) pp. 290-300
Magnetism of the Single-Band Hubbard Model in the Strong Correlation Limit
Kenn Kubo
Institute of Physics, University of Tsukuba, Ibaraki 305
(Received August 29, 1980)
Abstract:
The wave-vector dependence of the magnetic susceptibility of the single-band Hubbard model is calculated by means of the high temperature expansion in the strong correlation limit (U = ∞). The transition temperatures are estimated from the inverse susceptibility evaluated up to (βt)4. The ferromagnetic transition appears only in nearly half-filled triangular, bcc and fcc lattices, but not in square and sc lattices. The various magnetic structures are suggested to be possible if the electron density is varied.
URL :
http://ptp.ipap.jp/link?PTPS/69/290/
DOI : 10.1143/PTPS.69.290
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Citing Article(s) :
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Progress of Theoretical Physics Vol. 69 No. 5 (1983) pp. 1345-1357
:
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The High Temparature Series for the Single-Band Hubbard Model in the Strong Correlation Limit. I
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Kenn Kubo and Masahito Tada
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Progress of Theoretical Physics Vol. 72 No. 1 (1984) pp. 15-22
:
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Magnetic Susceptibility of a Doubly-Degenerate Hubbard Model in the Strong Correlation Limit
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Masahito Tada and Kenn Kubo
