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Classical teleportation of a quantum bit

par Cerf, Nicolas ;Gisin, Nicolas;Massar, Serge
Référence Physical Review Letters, 84, page (2521-2524)
Publication Publié, 2000

Article révisé par les pairs

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Résumé :

Classical teleportation is defined as a scenario where the sender is given the classical description of an arbitrary quantum state while the receiver simulates any measurement on it. This scenario is shown to be achievable by transmitting only a few classical bits if the sender and receiver initially share local hidden variables. Specifically, a communication of 2.19 bits is sufficient on average for the classical teleportation of a qubit, when restricted to von Neumann measurements. The generalization to positive-operator-valued measurements is also discussed.