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Journal of Anhui Normal University

Teleportation of Two Qubits Based on One-to-Many without the Bell-State Measurement

Xing Jin-jing

Published Jan 1, 2010• 0 citations
OpenAlex

Abstract

Quantum teleportation of two qubits based on One-to-Many without the Bell-state measurement is proposed.In the scheme of teleportation,(2n+2)-particle entanglement is required as the quantum channel.The teleportation can be realized by sending atoms into a single-mode cavity which is driven by a strong classical field at the same time.During the interaction of the atoms with the cavity,the states of these atoms evolve.The scheme immunes the effects of thermal field and cavity decay.The success probability is 1.0.

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We propose a scheme for teleportation of an unknown three-atom W state without the Bell-state measurement. Firstly, we prepare an unknown three-atom W state by the resonant interaction between the atoms and the cavity. Then a quantum channel is prepared by sending two atoms through a single-mode cavity field, and driving them by a strong classical field at the same time. During the interaction between the atoms and the cavity, the states of these atoms are evolved. After the interaction, we prepare the EPR states, which form the quantum channel. Finally, we implement the teleportation of the unknown three-atom W state using the way of preparing the quantum channel. During the teleportation, the effects of thermal field and cavity decay are all eliminated. The success probability is 1.0.
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