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<strong>Assisted cloning of an arbitrary unknown two-qubit state via a genuine four-qubit entangled state and positive operator-valued measure</strong>

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Title Statement <strong>Assisted cloning of an arbitrary unknown two-qubit state via a genuine four-qubit entangled state and positive operator-valued measure</strong>
 
Added Entry - Uncontrolled Name Han, Lian Fang; Anhui University; Anhui Medical University
Supported by the foundation for academic youth of Anhui Medical University, National Natural Science Foundation of China (NSFC) under Grant No.11274010
 
Uncontrolled Index Term classical and quantum physics
Quantum cloning; Genuine four-particle entangled state; Two-particle measurement; Positive operator-valued measure
 
Summary, etc. <strong>A protocol for cloning an arbitrary unknown two-qubit state and its orthogonal complement state with the assistance of a state preparer is presented. In this paper, a genuine four-particle entangled state which cannot be reduced to the product of two Bell states is used as the quantum channel. Moreover, positive operator-valued measure (POVM) instead of usual projective measurement is employed. In one hand, the usual teleportation is required. And in another hand, the perfect copies and complement copies of an unknown two-particle state can be implemented with a certain probability in the help of the state preparer.</strong>
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2015-06-16 10:51:31
 
Electronic Location and Access application/pdf
http://op.niscair.res.in/index.php/IJPAP/article/view/1263
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 52, ##issue.no## 8 (2014): Indian Journal of Pure & Applied Physics
 
Language Note en
 
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