Itinerant ferromagnetism of the multiban
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Takashi Yanagisawa; Yukihiro Shimoi
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Article
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1994
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Elsevier Science
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English
β 140 KB
We present some exact studies on the ferromagnetic ground state of the multiband Hubbard models including the periodic Anderson model (two-band) and CuO2 plane in the oxide superconductors (three band). First we show rigorous arguments that the ground state of the periodic Anderson model contains a