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	Aharonov-Bohm phase operations on a double-barrier nanoring charge qubit
	Wang, Yuquan ; Yang, Ning ; Zhu, Jia-Lin
	2010-05-06 ; 2010-05-06
关键词	QUANTUM RINGS GROUND-STATE OSCILLATIONS SILICON SPIN Physics, Condensed Matter
中文摘要	We present a scheme for charge qubit implementation in a double-barrier nanoring. The logical states of the qubit are encoded in the spatial wave functions of the two lowest energy states of the system. The Aharonov-Bohm phase introduced by magnetic flux, instead of tunable tunnelings, along with electric fields can be used for implementing the quantum gate operations. During the operations, the external fields should be switched smoothly enough to avoid the errors caused by the transition to higher-lying states. The structure and field effects on the validity of the qubit are also studied.
语种	英语 ; 英语
出版者	AMERICAN PHYSICAL SOC ; COLLEGE PK ; ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/14443]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Yuquan,Yang, Ning,Zhu, Jia-Lin. Aharonov-Bohm phase operations on a double-barrier nanoring charge qubit[J],2010, 2010.
APA	Wang, Yuquan,Yang, Ning,&Zhu, Jia-Lin.(2010).Aharonov-Bohm phase operations on a double-barrier nanoring charge qubit..
MLA	Wang, Yuquan,et al."Aharonov-Bohm phase operations on a double-barrier nanoring charge qubit".(2010).

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