Metal-insulator transitions in generaliz
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Erik Koch; Olle Gunnarsson; Richard M. Martin
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Article
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2000
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Elsevier Science
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English
β 118 KB
We study the Mott transition in Hubbard models with a degenerate band on different 3-dimensional lattices. While for a non-degenerate band only the half-filled system may exhibit a Mott transition, with degeneracy there can be a transition for any integer filling. We analyze the filling dependence o