Energy spectrum and anisotropic g-factor of elliptic quantum dot

Tomohiro Yokoyama; Mikio Eto

doi:10.1109/ISAS.2011.5960917

Energy spectrum and anisotropic g-factor of elliptic quantum dot

Tomohiro Yokoyama, Mikio Eto

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

We theoretically examine the energy spectrum and anisotropic g-factor of an elliptic quantum dot in the presence of strong spin-orbit (SO) interaction. The Kramers' degeneracy of energy levels in the quantum dot is lifted by applying a magnetic field. The splitting of the levels reflects the wavefunctions through the SO interaction and hence depends on the direction of the magnetic field. We find that the g-factor becomes largely anisotropic, in accordance with experimental results. The anisotropy significantly differs from level to level.

Original language	English
Title of host publication	Proceedings of 2011 1st International Symposium on Access Spaces, ISAS 2011
Pages	36-40
Number of pages	5
DOIs	https://doi.org/10.1109/ISAS.2011.5960917
Publication status	Published - 2011
Event	2011 1st International Symposium on Access Spaces, ISAS 2011 - Yokohama, Japan Duration: 2011 Jun 17 → 2011 Jun 19

Publication series

Name	Proceedings of 2011 1st International Symposium on Access Spaces, ISAS 2011

Other

Other	2011 1st International Symposium on Access Spaces, ISAS 2011
Country	Japan
City	Yokohama
Period	11/6/17 → 11/6/19

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

Access to Document

10.1109/ISAS.2011.5960917

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Yokoyama, T & Eto, M 2011, Energy spectrum and anisotropic g-factor of elliptic quantum dot. in Proceedings of 2011 1st International Symposium on Access Spaces, ISAS 2011., 5960917, Proceedings of 2011 1st International Symposium on Access Spaces, ISAS 2011, pp. 36-40, 2011 1st International Symposium on Access Spaces, ISAS 2011, Yokohama, Japan, 11/6/17. https://doi.org/10.1109/ISAS.2011.5960917

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AB - We theoretically examine the energy spectrum and anisotropic g-factor of an elliptic quantum dot in the presence of strong spin-orbit (SO) interaction. The Kramers' degeneracy of energy levels in the quantum dot is lifted by applying a magnetic field. The splitting of the levels reflects the wavefunctions through the SO interaction and hence depends on the direction of the magnetic field. We find that the g-factor becomes largely anisotropic, in accordance with experimental results. The anisotropy significantly differs from level to level.

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