Transport in a spin polarized Luttinger liquid in the presence of a single impurity
Chang, Hsuan-Yeh · Schmeltzer, D.
Original · EN
The conductance for a single impurity in a one dimensional gas with electron-electron interaction and Zeeman splitting vF - vF = Δ≠ 0 is considered. We find that for an extented Hubbard model, ρʳ ρˡ + ρʳ ρˡ, a Luttinger liquid for spin up and spin down is obtained. As a result the conductances for spin up G and spin down G are not equal. The anisotropy in the conductances G ≠ G gives rise to a spin polarized wire.
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