Browsing by Subject "t-J chain"

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  • Bedürftig, Gerald; Eßler, Fabian H.L.; Frahm, Holger (College Park (Maryland) : American Physical Society, 1996)
    An impurity coupling to both spin and charge degrees of freedom is added to a periodic t- J chain such that its interaction with the bulk can be varied continuously without losing integrability. Ground state properties, ...