Spin-orbit induced spin-density wave in a quantum wire

Details Spin-orbit induced spin-density wave in a quantum wire Spin-orbit induced spin-density wave in a quantum wire

2006-08-20

arxiv.org/abs/cond-mat/0608433v2

Phys. Rev. Lett. 98, 126408 (2007)

Physics

Condensed Matter

Strongly Correlated Electrons

4.1 pages, 1 figure; v2: published version

Scientific paper

10.1103/PhysRevLett.98.126408

We present analysis of the interacting quantum wire problem in the presence of magnetic field and spin-orbit interaction. We show that an interesting interplay of Zeeman and spin-orbit terms, facilitated by the electron-electron interaction, results in the spin-density wave (SDW) state when the magnetic field and spin-orbit axes are orthogonal. This strongly affects charge transport through the wire: with SDW stabilized, single particle backscattering off an nonmagnetic impurity becomes irrelevant. Sensitivity of the effect to the direction of the magnetic field can be used for experimental verification of this proposal.

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