Electronic states of InAs verfically-assembled quantum disks in magnetic fields and two-electron quantum-disk qubit
Dong, QR; Niu, ZC; Dong, QR, Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, POB 912, Beijing 100083, Peoples R China.
2004
会议名称7th International Conference on Solid-State and Integrated Circuits Technology
会议录名称2004 7TH INTERNATIONAL CONFERENCE ON SOLID-STATE AND INTEGRATED CIRCUITS TECHNOLOGY
页码VOLS 1- 3 PROCEEDINGS: 761-764
会议日期OCT 18-21, 2004
会议地点Beijing, PEOPLES R CHINA
出版地345 E 47TH ST, NEW YORK, NY 10017 USA
出版者IEEE
ISBN0-7803-8511-X
部门归属chinese acad sci, inst semicond, state key lab superlattices & microstruct, beijing 100083, peoples r china
摘要We have studied the single-electron and two-electron vertically-assembled quantum disks in an axial magnetic field using the effective mass approximation. The electron interaction is treated accurately by the direct diagonalization of the Hamiltonian matrix. We calculate the six criergy levels of single-electron quantum disks and the two lowest energy levels of two-electron quantum disks in an axial magnetic field. The change of the magnetic field as an effective potential strongly modifies the electronic structures. leading to splittings and crossings between levels The results demonstrate the switching between the around states with the total spins S = 0 and S = 1. The switching results in a qubit allowed to fabricate by current growth techniques.
关键词Dots
学科领域半导体物理
主办者Chinese Inst Elect.; IEEE Beijing Sect.; IEEE Elect Devices Soc.; IEEE EDS Beijing Chapter.; IEEE Solid-State Circuits Soc.; IEEE SSCS Beijing Chapter.; Japan Soc Appl Phys.; IEE Elect Div.; URSI Commiss D.; Inst Elect Engineers Korea.; Natl Nat Sci Fdn China.; Beijing Municipal Bureau Ind Dev.; Peking Univ.
收录类别CPCI-S
语种英语
文献类型会议论文
条目标识符http://ir.semi.ac.cn/handle/172111/10088
专题中国科学院半导体研究所(2009年前)
通讯作者Dong, QR, Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, POB 912, Beijing 100083, Peoples R China.
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Dong, QR,Niu, ZC,Dong, QR, Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, POB 912, Beijing 100083, Peoples R China.. Electronic states of InAs verfically-assembled quantum disks in magnetic fields and two-electron quantum-disk qubit[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2004:VOLS 1- 3 PROCEEDINGS: 761-764.
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