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    Spin diffusion in doped semiconductors: The role of Coulomb interactions

    D'Amico, Irene
    Vignale, Giovanni, 1957-
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    [PDF] SpinDiffusionDopedSemiconductors.pdf (157.6Kb)
    Date
    2001
    Format
    Article
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    Abstract
    We examine the effect of Coulomb interaction on the mobility and diffusion of spin packets in doped semiconductors. We find that the diffusion constant is reduced, relative to its non-interacting value, by the combined effect of Coulomb-enhanced spin susceptibility and spin Coulomb drag. In ferromagnetic semiconductors, the spin diffusion constant vanishes at the ferromagnetic transition temperature.
    URI
    http://hdl.handle.net/10355/7919
    Citation
    I. D'Amico and G. Vignale 2001 Europhys. Lett. 55 566
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    • Physics and Astronomy publications (MU)

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