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题名: Electronic structure of self-assembled InAs quantum discs in a magnetic field with varying orientation and two-electron quantum-disc qubits
作者: Dong, QR;  Li, SS;  Niu, ZC;  Feng, SL
发表日期: 2005
摘要: We have studied the electronic structure of vertically assembled quantum discs in a magnetic field with varying orientation using the effective mass approximation. We calculate the four energy levels of single-electron quantum discs and the two lowest energy levels of two-electron quantum discs in a magnetic field with varying orientation. The change of the magnetic field as an effective potential strongly modifies the electronic structure, leading to splittings of the levels and anticrossings between the levels. The calculated results also demonstrate the switching between the ground states with the total spin S = 0 and 1. The switching induces a qubit controlled by varying the orientation of the magnetic field.
刊名: JOURNAL OF PHYSICS-CONDENSED MATTER
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Dong, QR; Li, SS; Niu, ZC; Feng, SL .Electronic structure of self-assembled InAs quantum discs in a magnetic field with varying orientation and two-electron quantum-disc qubits ,JOURNAL OF PHYSICS-CONDENSED MATTER,FEB 16 2005,17 (6):949-955
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