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Real-time counting of single electron tunneling through a T-shaped double quantum dot system
Luo JY (Luo JunYan); Wang SK (Wang Shi-Kuan); He XL (He Xiao-Ling); Li XQ (Li Xin-Qi); Yan YJ (Yan YiJing); Luo, JY, Zhejiang Univ Sci & Technol, Sch Sci, Hangzhou 310023, Peoples R China. 电子邮箱地址: jyluo@zust.edu.cn; yyan@ust.hk
2010
Source PublicationJOURNAL OF APPLIED PHYSICS
Volume108Issue:8Pages:Art. No. 083720
AbstractReal-time detection of single electron tunneling through a T-shaped double quantum dot is simulated, based on a Monte Carlo scheme. The double dot is embedded in a dissipative environment and the presence of electrons on the double dot is detected with a nearby quantum point contact. We demonstrate directly the bunching behavior in electron transport, which leads eventually to a super-Poissonian noise. Particularly, in the context of full counting statistics, we investigate the essential difference between the dephasing mechanisms induced by the quantum point contact detection and the coupling to the external phonon bath. A number of intriguing noise features associated with various transport mechanisms are revealed.
metadata_24国内
KeywordStatistics Coherent Noise
Subject Area半导体物理
Funding OrganizationSupport from the National Natural Science Foundation of China under Grant No. 10904128, and the Research Grants Council of the Hong Kong Government (Grant No. 604709) are gratefully acknowledged.
Indexed BySCI
Language英语
Date Available2010-12-05
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/20658
Collection半导体超晶格国家重点实验室
Corresponding AuthorLuo, JY, Zhejiang Univ Sci & Technol, Sch Sci, Hangzhou 310023, Peoples R China. 电子邮箱地址: jyluo@zust.edu.cn; yyan@ust.hk
Recommended Citation
GB/T 7714
Luo JY ,Wang SK ,He XL ,et al. Real-time counting of single electron tunneling through a T-shaped double quantum dot system[J]. JOURNAL OF APPLIED PHYSICS,2010,108(8):Art. No. 083720.
APA Luo JY .,Wang SK .,He XL .,Li XQ .,Yan YJ .,...&yyan@ust.hk.(2010).Real-time counting of single electron tunneling through a T-shaped double quantum dot system.JOURNAL OF APPLIED PHYSICS,108(8),Art. No. 083720.
MLA Luo JY ,et al."Real-time counting of single electron tunneling through a T-shaped double quantum dot system".JOURNAL OF APPLIED PHYSICS 108.8(2010):Art. No. 083720.
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