Energy levels of a parabolically confined quantum dot in the presence of spin-orbit interaction

W. H. Kuan; C. S. Tang; W. Xu

doi:10.1063/1.1710726

Energy levels of a parabolically confined quantum dot in the presence of spin-orbit interaction

W. H. Kuan^*, C. S. Tang, W. Xu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

44 Citations (Scopus)

Abstract

The effects of Rashba spin-orbit interaction (SOI) on the energy levels of parabolically confines quantum dot were analyzed. The spin-polarized electronic states were obtained in a weakly confined dot, when SOI was greater than a critical value of the SOI strength. It was observed that in high magnetic fields, the spectra of low-lying states exhibited features of Fock-Darwin levels and Landau levels. It was also observed that the effective SOI in the system was decreasing with increasing magnetic field and confining potential of the dot.

Original language	English
Pages (from-to)	6368-6373
Number of pages	6
Journal	Journal of Applied Physics
Volume	95
Issue number	11 I
DOIs	https://doi.org/10.1063/1.1710726
Publication status	Published - 1 Jun 2004

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abstract = "The effects of Rashba spin-orbit interaction (SOI) on the energy levels of parabolically confines quantum dot were analyzed. The spin-polarized electronic states were obtained in a weakly confined dot, when SOI was greater than a critical value of the SOI strength. It was observed that in high magnetic fields, the spectra of low-lying states exhibited features of Fock-Darwin levels and Landau levels. It was also observed that the effective SOI in the system was decreasing with increasing magnetic field and confining potential of the dot.",

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N2 - The effects of Rashba spin-orbit interaction (SOI) on the energy levels of parabolically confines quantum dot were analyzed. The spin-polarized electronic states were obtained in a weakly confined dot, when SOI was greater than a critical value of the SOI strength. It was observed that in high magnetic fields, the spectra of low-lying states exhibited features of Fock-Darwin levels and Landau levels. It was also observed that the effective SOI in the system was decreasing with increasing magnetic field and confining potential of the dot.

AB - The effects of Rashba spin-orbit interaction (SOI) on the energy levels of parabolically confines quantum dot were analyzed. The spin-polarized electronic states were obtained in a weakly confined dot, when SOI was greater than a critical value of the SOI strength. It was observed that in high magnetic fields, the spectra of low-lying states exhibited features of Fock-Darwin levels and Landau levels. It was also observed that the effective SOI in the system was decreasing with increasing magnetic field and confining potential of the dot.

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DO - 10.1063/1.1710726

M3 - Article

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SP - 6368

EP - 6373

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 11 I

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Energy levels of a parabolically confined quantum dot in the presence of spin-orbit interaction

Abstract

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