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Cyclotron Resonance Of A Magnetic Quantum Dot

机译:磁量子点的回旋共振

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摘要

The energy spectrum of a one-electron quantum dot doped with a single magnetic ion is studied in the presence of an external magnetic field. The allowed cyclotron resonance (CR) transitions are obtained together with their oscillator strength as a function of the magnetic field, the position of the magnetic ion, and the quantum dot confinement strength. With increasing magnetic field a ferromagnetic-antiferromagnetic transition is found, which results in clear signatures in the CR absorption. It leads to discontinuities in the transition energies and the oscillator strengths and to an increase in the number of allowed transitions.
机译:在存在外部磁场的情况下,研究了掺杂有单个磁性离子的单电子量子点的能谱。获得的回旋加速器共振(CR)跃迁及其振荡器强度随磁场,磁离子位置和量子点限制强度而变。随着磁场的增加,会发现铁磁-反铁磁跃迁,从而在CR吸收中产生清晰的特征。这导致过渡能量和振荡器强度的不连续,并导致允许的过渡数量增加。

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