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Generation of spin current by Coulomb drag | M. Pustilnik
; E.G. Mishchenko
; O.A. Starykh
; PostScript
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; | Date: |
7 Jun 2006 | Subject: | Mesoscopic Systems and Quantum Hall Effect | Abstract: | Coulomb 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 | Services: | Forum | Review | PDF | Favorites |
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