Spin-selective Peierls transition in interacting one-dimensional conductors with spin-orbit interaction

Bernd Braunecker, George I. Japaridze, Jelena Klinovaja, and Daniel Loss
Phys. Rev. B 82, 045127 – Published 29 July 2010

Abstract

Interacting one-dimensional conductors with Rashba spin-orbit coupling are shown to exhibit a spin-selective Peierls-type transition into a mixed spin-charge-density-wave state. The transition leads to a gap for one-half of the conducting modes, which is strongly enhanced by electron-electron interactions. The other half of the modes remains in a strongly renormalized gapless state and conducts opposite spins in opposite directions, thus providing a perfect spin filter. The transition is driven by magnetic field and by spin-orbit interactions. As an example we show for semiconducting quantum wires and carbon nanotubes that the gap induced by weak magnetic fields or intrinsic spin-orbit interactions can get renormalized by 1 order of magnitude up to 10–30 K.

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  • Received 7 July 2010

DOI:https://doi.org/10.1103/PhysRevB.82.045127

©2010 American Physical Society

Authors & Affiliations

Bernd Braunecker1, George I. Japaridze2,3, Jelena Klinovaja1, and Daniel Loss1

  • 1Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland
  • 2Andronikashvili Institute of Physics, Tamarashvili 6, 0177 Tbilisi, Georgia
  • 3Ilia State University, Cholokashvili Ave. 3-5, 0162 Tbilisi, Georgia

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Issue

Vol. 82, Iss. 4 — 15 July 2010

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