Abstract
A new protocol for implementing five-party bidirectional controlled joint remote state preparation is proposed by using a seven-qubit entangled state as the quantum channel. It can be shown that two distant senders can simultaneously and deterministically exchange their states with the other senders under the control of the supervisor, and it cannot be succeed without permission of the controller. Only pauli operation and single-qubit measurement are used in our scheme, so the scheme with five-party is feasible within the reach of current technologies.
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This work is supported by Specialized Research Fund for the Doctoral Program of Higher Education (Grant No.20135134110003).
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Wang, Xy., Mo, Zw. Bidirectional Controlled Joint Remote State Preparation via a Seven-Qubit Entangled State. Int J Theor Phys 56, 1052–1058 (2017). https://doi.org/10.1007/s10773-016-3247-9
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DOI: https://doi.org/10.1007/s10773-016-3247-9