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	Dephasing rate in an inas/gaas single-electron quantum dot qubit
	Pan, LX; Li, SS; Liu, JL; Niu, ZC; Feng, SL; Zheng, HZ
刊名	Science in china series a-mathematics physics astronomy
	2002-05-01
卷号	45期号:5页码:666-670
关键词	Quantum dot Quantum computing Decoherence
ISSN号	1006-9283
通讯作者	Li, ss()
英文摘要	We have obtained the parameter-phase diagram, which unambiguously defines the parameter region for the use of inas/gaas quantum dot as two-level quantum system in quantum computation in the framework of the effective-mass envelope function theory. moreover, static electric field is found to efficiently prolong decoherence time. as a result, decoherence time may reach the order of magnitude of milli-seconds as external static electric field goes beyond 20 kv/cm if only vacuum fluctuation is taken as the main source for decoherence. our calculated results are useful for guiding the solid-state implementation of quantum computing.
WOS关键词	COMPUTATION ; LOGIC
WOS研究方向	Mathematics
WOS类目	Mathematics, Applied ; Mathematics
语种	英语
出版者	SCIENCE CHINA PRESS
WOS记录号	WOS:000177809200015
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2429104
专题	半导体研究所
通讯作者	Li, SS
作者单位	1.Chinese Acad Sci, Inst Semicond, Natl Lab Superlattices & Microstruct, Beijing 100083, Peoples R China 2.Yiyang Teachers Coll, Dept Phys, Yiyang 413049, Peoples R China
推荐引用方式 GB/T 7714	Pan, LX,Li, SS,Liu, JL,et al. Dephasing rate in an inas/gaas single-electron quantum dot qubit[J]. Science in china series a-mathematics physics astronomy,2002,45(5):666-670.
APA	Pan, LX,Li, SS,Liu, JL,Niu, ZC,Feng, SL,&Zheng, HZ.(2002).Dephasing rate in an inas/gaas single-electron quantum dot qubit.Science in china series a-mathematics physics astronomy,45(5),666-670.
MLA	Pan, LX,et al."Dephasing rate in an inas/gaas single-electron quantum dot qubit".Science in china series a-mathematics physics astronomy 45.5(2002):666-670.

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