Bistability of optically induced nuclear spin orientation in quantum dots

A. Russell, Vladimir I. Fal'ko, A. I. Tartakovskii, M. S. Skolnick

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    We demonstrate that bistability of the nuclear spin polarization in optically pumped semiconductor quantum dots is a general phenomenon possible in dots with a wide range of parameters. In experiment, this bistability manifests itself via the hysteresis behavior of the electron Zeeman splitting as a function of either pump power or external magnetic field. In addition, our theory predicts that the nuclear polarization can strongly influence the charge dynamics in the dot leading to bistability in the average dot charge.

    Original languageEnglish
    Article number195310
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Issue number19
    Publication statusPublished - 13 Nov 2007

    Research Beacons, Institutes and Platforms

    • National Graphene Institute


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