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  • Title: Mesoscopic fluctuations in the spin-electric susceptibility due to Rashba spin-orbit interaction.
    Author: Duckheim M, Loss D.
    Journal: Phys Rev Lett; 2008 Nov 28; 101(22):226602. PubMed ID: 19113500.
    Abstract:
    We investigate mesoscopic fluctuations in the spin polarization generated by a static electric field and by Rashba spin-orbit interaction in a disordered 2D electron gas. In a diagrammatic approach we find that the out-of-plane polarization--while being zero for self-averaging systems--exhibits large sample-to-sample fluctuations which are shown to be well within experimental reach. We evaluate the disorder-averaged variance of the susceptibility and find its dependence on magnetic field, spin-orbit interaction, dephasing, and chemical potential difference.
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