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Magnetoconductance of a hybrid quantum ring: Effects of antidot potentials

机译:混合量子环的磁导:解毒剂电位的影响

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The electronic structures and two-terminal magnetoconductance of a hybrid quantum ring are studied. The backscattering due to energy-resonance is considered in the conductance calculation. The hybrid magnetic-electric quantum ring is fabricated by applying an antidot electrostatic potential in the middle of a magnetic quantum dot. Electrons are both magnetically and electrically confined in the plane. The antidot potential repelling electrons from the center of the dot plays a critical role in the energy spectra and magnetoconductance. The angular momentum transition in the energy dispersion and the magnetoconductance behavior are investigated in consideration of the antidot potential variation. Results are shown using a comparison of the results of the conventional magnetic quantum dot.
机译:研究了混合量子环的电子结构和两端磁导。电导计算中考虑了由能量共振引起的反向散射。通过在磁量子点的中间施加反点静电势来制造混合电磁量子环。电子被电磁和电限制在平面内。从点中心排斥电子的反点电势在能谱和磁导中起关键作用。考虑到反点电位的变化,研究了能量色散中的角动量跃迁和磁导行为。通过与常规磁性量子点的结果进行比较来显示结果。

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