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Type: Artigo de periódico
Title: Magnetism And Phase Separation In Polymeric Hubbard Chains
Author: Macedo A.M.S.
Dos Santos M.C.
Coutinho-Filho M.D.
Macedo C.A.
Abstract: We study a class of one-dimensional chains whose topology leads to flatbands in the electronic spectrum. Using the Hubbard model, we find that these materials should exhibit ferrimagnetic ordering for a half-filled band, in agreement with a theorem by Lieb. Away from half filling the system displays a very rich magnetic phase diagram. Possible experimental realizations are suggested.
Rights: aberto
Identifier DOI: 
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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