Many-agent controlled teleportation of multi-qubit quantum information

Details Many-agent controlled teleportation of multi-qubit quantum information Many-agent controlled teleportation of multi-qubit quantum information

2004-11-12

arxiv.org/abs/quant-ph/0411088v2

Physics

Quantum Physics

This paper has been accepted for publication in Phys. Lett. A

Scientific paper

10.1016/j.physleta.2005.04.062

We present a general idea to construct methods for multi-qubit quantum teleportation between two remote parties with control of many agents in the network. Our methods seem to be much simpler than the existing method proposed recently (Phys. Rev. A {\bf 70}, 022329(2004)). We then demonstrate our idea by using several different protocols of quantum key distribution, including Ekert 91 and the deterministic secure communication protocol raised by Deng and Long.

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