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Physical Review A

Comment on "Quantum teleportation of an arbitrary two-qubit state and its relation to multipartite entanglement" (2 pages)

Fu‐Guo Deng

Published Jan 1, 2005• 7 citations
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Comment on “Quantum teleportation of an arbitrary two-qubit state and its relation to multipartite entanglement”

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The multipartite state in the Rigolin's protocol [Phys. Rev. A 71, 032303 (2005)] for teleporting an arbitrary two-qubit state is just a product state of NNN Einstein-Podolsky-Rosen pairs in essence, not a genuine multipartite entangled state, and this protocol in principle is equivalent to the Yang-Guo protocol [Chin. Phys. Lett. 17, 162 (2000)].