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|Type:||Artigo de periódico|
|Title:||A Mean Field Approach For An Extended Hubbard Model With Correlated Hopping: Interplay Of Antiferromagnetism And Superconductivity|
|Abstract:||An extended Hubbard model, including Coulomb repulsion and correlated hopping between nearest neighbors, is studied using a mean field approach. Superconducting solutions are tested in the presence of antiferromagnetism, near to and away from half filling. Competition between on-site and intersite repulsions, modulated by correlated hopping, yields a covalent bond configuration with partial intrasite and intersite pairings. In addition, antiferromagnetism induces mixed s- and p-type pairing, and superconductivity is completely suppressed by the saturation of the staggered magnetic moment. © 1992.|
|Citation:||Journal Of Magnetism And Magnetic Materials. , v. 104-107, n. PART 1, p. 499 - 500, 1992.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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