Transport in a spin polarized Luttinger liquid in the presence of a single impurity

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dc.creatorChang, Hsuan-Yeh
dc.creatorSchmeltzer, D.
dc.date2002-12-11
dc.date2005-02-11
dc.date.accessioned2026-07-07T02:48:40Z
dc.date.available2026-07-07T02:48:40Z
dc.descriptionThe conductance for a single impurity in a one dimensional gas with electron-electron interaction and Zeeman splitting $v_F^\uparrow - v_F^\downarrow = Δ\neq 0$ is considered. We find that for an extented Hubbard model, $ρ_\uparrow^R ρ_\uparrow^L + ρ_\downarrow^R ρ_\downarrow^L$, a Luttinger liquid for spin up and spin down is obtained. As a result the conductances for spin up $G_\uparrow$ and spin down $G_\downarrow$ are not equal. The anisotropy in the conductances $G_\uparrow \neq G_\downarrow$ gives rise to a spin polarized wire.
dc.description10 pages, 6 figures, accepted for publication by Physics Letters A
dc.identifierhttps://arxiv.org/abs/cond-mat/0212262
dc.identifierhttp://arxiv.org/abs/cond-mat/0212262
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20495
dc.subjectStrongly Correlated Electrons
dc.titleTransport in a spin polarized Luttinger liquid in the presence of a single impurity
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