Crossing of cyclotron and spin resonances in two-dimensional Coulomb gas

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    Abstract

    We predict the Shubnikovde Haas oscillations of the fine structure of the cyclotron resonance near its crossing with the spin resonance in the degenerate two-dimensional Coulomb gas subjected to a strong tilted magnetic field. The spin-orbit coupling splits these resonances into three lines with the splitting gaps varying with the filling factor from vsopF to vsopF/ 2 at odd- and even-integer filling, respectively. This indicates re-entrance of the system into a partially spin-polarized state and can be treated as manifestation of a new spin-density wave mode in it.

    Original languageEnglish
    Pages (from-to)141-144
    Number of pages4
    JournalPhysical Review Letters
    Volume71
    Issue number1
    DOIs
    Publication statusPublished - 1993

    Research Beacons, Institutes and Platforms

    • National Graphene Institute

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