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28 March 2024
 
  » arxiv » cond-mat/0606185

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Generation of spin current by Coulomb drag
M. Pustilnik ; E.G. Mishchenko ; O.A. Starykh ; PostScript ; PDF ; Other formats ;
Date 7 Jun 2006
Subject Mesoscopic Systems and Quantum Hall Effect
AbstractCoulomb drag between two quantum wires is exponentially sensitive to the mismatch of their electronic densities. Application of a magnetic field can compensate this mismatch for electrons of opposite spin directions in different wires. The resulting enhanced momentum transfer leads to the conversion of the charge current in the active wire to the spin current in the passive wire. The corresponding conversion ratio reaches a universal value in the regime of a strong interwire coupling.
Source arXiv, cond-mat/0606185
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