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|Type:||Artigo de periódico|
|Title:||Magnetism And Phase Separation In Polymeric Hubbard Chains|
Dos Santos M.C.
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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