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Probabilistic and controlled teleportation of an arbitrary single-qubit state via one-dimensional four-qubit cluster-type state
Hao Yuan #,Hong-Yan Wen,Lian-Fu Wei *
Quantum Optoelectronics Laboratory, Southwest Jiaotong University
*Correspondence author
#Submitted by
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Funding: 国家自然科学基金,国家自然科学基金,国家科技部重点基础研究基金（No.10874142,90921010,2010CB923104）
Opened online: 5 March 2010
Accepted by: none
Citation: Hao Yuan,Hong-Yan Wen,Lian-Fu Wei.Probabilistic and controlled teleportation of an arbitrary single-qubit state via one-dimensional four-qubit cluster-type state[OL]. [ 5 March 2010] http://en.paper.edu.cn/en_releasepaper/content/40444
 
 
We propose a tripartite scheme for probabilistically teleporting an arbitrary single-qubit state with one-dimensional four-qubit cluster-type state as the quantum channel. In the scheme, Alice and Bob both perform a Bell-state measurement (BSM) on their respective qubit pair in their hands and announce the measurement results via classical communication. With the help of the sender and the controller, the receiver can reconstruct the original state with a certain probability by introducing an auxiliary qubit and making appropriate unitary operations and positive operator-valued measure (POVM). Moreover, the total success probability and classical communication cost of the present scheme are also calculated
Keywords:controlled teleportation;one-dimensional four-qubit cluster-type state;positive operator-valued measure;probability;classical communication cost
 
 
 

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