Coexistence of superconductivity and antiferromagnetism in self-doped bilayer t-t'-J model

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dc.creatorGan, J. Y.
dc.creatorMori, M.
dc.creatorLee, T. K.
dc.creatorMaekawa, S.
dc.date2008-07-17
dc.date.accessioned2026-07-07T10:05:31Z
dc.date.available2026-07-07T10:05:31Z
dc.descriptionA self-doped bilayer t-t'-J model of an electron- and a hole-doped planes is studied by the slave-boson mean-field theory. A hopping integral between the differently doped planes, which are generated by a site potential, are renormalized by the electron-electron correlation. We find coexistent phases of antiferromagnetic (AFM) and superconducting orders, although the magnitudes of order parameters become more dissimilar in the bilayer away from half-filling. Fermi surfaces (FS's) with the AFM order show two pockets around the nodal and the anti-nodal regions. These results look like a composite of electron- and hole-doped FS's. In the nodal direction, the FS splitting is absent even in the bilayer system, since one band is flat due to the AFM order.
dc.description6 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0807.2688
dc.identifierhttp://arxiv.org/abs/0807.2688
dc.identifierPhys. Rev. B 78, 094504 (2008).
dc.identifierdoi:10.1103/PhysRevB.78.094504
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170030
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleCoexistence of superconductivity and antiferromagnetism in self-doped bilayer t-t'-J model
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