Twisted Hubbard Model for Sr[subscript 2]IrO[subscript 4]: Magnetism and Possible High Temperature Superconductivity
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Twisted Hubbard model for Sr2IrO4: magnetism and possible high temperature superconductivity.
Sr(2)IrO(4) has been suggested as a Mott insulator from a single J(eff)=1/2 band, similar to the cuprates. However, this picture is complicated by the measured large magnetic anisotropy and ferromagnetism. Based on a careful mapping to the J(eff)=1/2 (pseudospin-1/2) space, we propose that the low energy electronic structure of Sr(2)IrO(4) can indeed be described by a SU(2) invariant pseudospin...
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تاریخ انتشار 2011