Novel Charge Order and Superconductivity in Two-Dimensional Frustrated Lattice at Quarter Filling

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dc.creatorWatanabe, Hiroshi
dc.creatorOgata, Masao
dc.date2006-02-23
dc.date.accessioned2026-07-07T07:01:53Z
dc.date.available2026-07-07T07:01:53Z
dc.descriptionMotivated by the various physical properties observed in $θ$-(BEDT-TTF)$_2$X, we study the ground state of extended Hubbard model on two-dimensional anisotropic triangular lattice at 1/4-filling with variational Monte Carlo method. It is shown that the nearest-neighbor Coulomb interaction enhances the charge fluctuation and it induces the anomalous state such as charge-ordered metallic state and the triplet next-nearest-neighbor $f$-wave superconductivity. We discuss the relation to the real materials and propose the unified view of the family of $θ$-(BEDT-TTF)$_2$X.
dc.description4 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0602536
dc.identifierhttp://arxiv.org/abs/cond-mat/0602536
dc.identifierJ. Phys. Soc. Jpn. 75 (2006) 063702
dc.identifierdoi:10.1143/JPSJ.75.063702
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/108416
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleNovel Charge Order and Superconductivity in Two-Dimensional Frustrated Lattice at Quarter Filling
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