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Teleportation with partially entangled states. (English) Zbl 0990.81014

Summary: The relations of antilinear maps, bipartite states and quantum channels is summarized. Antilinear maps are applied to describe bipartite status and entanglement. Teleportation is treated in this general formalism with an emphasis on conditional schemes applying partially entangled pure status. It is shown that in such schemes the entangled state shared by the parties, and those measured by the sender should “match” each other.

MSC:

81P15 Quantum measurement theory, state operations, state preparations
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