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- W2257419697 abstract "We present a bidirectional modification of the standard one-qubit teleportation protocol, where both Alice and Bob transfer noisy versions of their qubit states to each other by using single Bell state and auxiliary (trigger) qubits. Three schemes are considered: the first where the actions of parties are governed by two independent quantum random triggers, the second with single random trigger, and the third as a mixture of the first two. We calculate the fidelities of teleportation for all schemes and find a condition on correlation between trigger qubits in the mixed scheme which allows us to overcome the classical fidelity boundary of 2/3. We apply the Choi--Jamiolkowski isomorphism to the quantum channels obtained in order to investigate an interplay between their ability to transfer the information, entanglement-breaking property, and auxiliary classical communication needed to form correlations between trigger qubits. The suggested scheme for bidirectional teleportation can be realized by using current experimental tools." @default.
- W2257419697 created "2016-06-24" @default.
- W2257419697 creator A5033682739 @default.
- W2257419697 creator A5072682251 @default.
- W2257419697 creator A5085415574 @default.
- W2257419697 date "2016-06-03" @default.
- W2257419697 modified "2023-10-01" @default.
- W2257419697 title "Bidirectional imperfect quantum teleportation with a single Bell state" @default.
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- W2257419697 doi "https://doi.org/10.1103/physreva.93.062305" @default.
- W2257419697 hasPublicationYear "2016" @default.
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