Probabilistic teleportation of a two-particle entangled state via a partially entangled pair

Probabilistic teleportation of a two-particle entangled state via a partially entangled pair

CHEN Xiu-bo;LIU Xin-yuan;WEN Qiao-yan;ZHU Fu-chen

【期刊名称】《中国邮电高校学报（英文版）》 【年(卷),期】2006(013)004

【摘要】A scheme for teleporting an unknown two-particle entangled state is proposed. In comparison with the recent protocol (Cola et al., Phys. Lett. A 337 (2005)), the entangled state as quantum channel required by this scheme is a single,partially entangled pair, which is much easier to prepare and maintain. Furthermore, a positive operator valued measure (POVM) is adopted and all kinds of transformations performed by sender and receiver are given in detail. It is shown that the probability of successful teleportation is twice the modulus square of the smaller Schmidt coefficient of the two-particle entangled state, and the fidelity can reach one. 【总页数】4页(39-42)

【关键词】quantum teleportation;partially entangled pair;two-particle entangled state;POVM

【作者】CHEN Xiu-bo;LIU Xin-yuan;WEN Qiao-yan;ZHU Fu-chen

【作者单位】School of Science,Beijing University of Posts and Telecommunications,Beijing 100876,China;State Key Laboratory of Integrated

Services

Network,Xidian

University,Xi'an

710071,China;School of Science,Beijing University of Posts and Telecommunications,Beijing 100876,China;School of Science,Beijing University

of

Posts

and Laboratory

Telecommunications,Beijing

for

Modern

100876,China;National

Communications,Chengdu 610041,China 【正文语种】中文 【中图分类】TN918.1 【相关文献】

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