Abstract
We investigate teleportation and controlled teleportation of an arbitrary \(N\)-qubit state by using a multipartite entanglement channel. By establishing one-to-one correspondence between an \(N\)-qubit quantum state and a high-dimension quantum state, we construct a general quantum channel for quantum teleportation and controlled teleportation of an arbitrary \(N\)-qubit state. Furthermore, we generalize the definition of bipartite maximally entangled state for a multi-qubit system, and show that our teleportation protocols can be utilized not only to construct a variety of genuine multipartite entangled states, but also to identify and explore the capability of multipartite entanglement for quantum teleportation and controlled teleportation.
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Acknowledgments
This work was supported by the 973 Program under Grant No. 2013CB921804, the NSF under Grant No. 11075050 and 11274043, and the PCSIRTU under Grant No. IRT0964, the HPNSF under Grant No. 11JJ7001, and the Scientific Research Fund of Hunan Provincial Education Department, China (Grants Nos. 10A032 and 10C0698).
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Peng, ZH., Zou, J., Liu, XJ. et al. Construction of general quantum channel for quantum teleportation. Quantum Inf Process 12, 2803–2811 (2013). https://doi.org/10.1007/s11128-013-0564-2
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DOI: https://doi.org/10.1007/s11128-013-0564-2