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	Controlled-Joint Remote Preparation of an Arbitrary Two-Qubit State via Non-maximally Entangled Channel
	Guan, Xiao-Wei ; Chen, Xiu-Bo ; Yang, Yi-Xian
	2012
关键词	Remote state preparation Non-maximally entangled channel Convertible projective measurement bases POVM 3-QUBIT STATES TELEPORTATION
英文摘要	In this paper, we make a study on how to efficiently transmit an arbitrary two-qubit pure state to remote receiver via non-maximal entangled quantum channel. As a special case, in the first section we present a controlled-joint remote state preparation scheme based on maximally entangled channel. By some local convertible projective measurement bases, two message carriers and one controller can help the receiver Charlie reconstruct the desired state with success probability p=100 %. Then, we extend it to the case of non-maximally entangled channel. Utilizing positive operator-valued measure (POVM) measurement instead of projective measurement, the controller can assist the two senders to fulfill the task. Compared with some previous schemes, our protocol will succeed with a higher probability. And success or failure will only depend on the controller's measurement outcome, but has nothing to do with two senders' measurement results.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000309858800026&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Physics, Multidisciplinary; SCI(E); 11; ARTICLE; 11; 3575-3586; 51
语种	英语
出处	SCI
出版者	international journal of theoretical physics
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/157510]
专题	数学科学学院
推荐引用方式 GB/T 7714	Guan, Xiao-Wei,Chen, Xiu-Bo,Yang, Yi-Xian. Controlled-Joint Remote Preparation of an Arbitrary Two-Qubit State via Non-maximally Entangled Channel. 2012-01-01.

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