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Bidirectional teleportation of a pure EPR state by using GHZ states

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Abstract

In the present paper, a novel bidirectional quantum teleportation protocol is proposed. By using entanglement swapping technique, two GHZ states are shared as a quantum channel between Alice and Bob as legitimate users. In this scheme, based on controlled-not operation, single-qubit measurement, and appropriate unitary operations, two users can simultaneously transmit a pure EPR state to each other, While, in the previous protocols, the users can just teleport a single-qubit state to each other via more than four-qubit state. Therefore, the proposed scheme is economical compared with previous protocols.

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Authors and Affiliations

  1. Department of Electrical Engineering, Imam Reza International University, Mashhad, Iran

    Shima Hassanpour & Monireh Houshmand

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  1. Shima Hassanpour
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  2. Monireh Houshmand
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Correspondence to Shima Hassanpour.

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Hassanpour, S., Houshmand, M. Bidirectional teleportation of a pure EPR state by using GHZ states. Quantum Inf Process 15, 905–912 (2016). https://doi.org/10.1007/s11128-015-1096-8

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  • DOI: https://doi.org/10.1007/s11128-015-1096-8

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