Abstract
We propose a new protocol of implementing four-party controlled joint remote state preparation and meanwhile realizing controlled quantum teleportation via a seven-qubit entangled state. That is to say, Alice wants to teleport an arbitrary single-qubit state to Bob and Bob wants to remotely prepare a known state for Alice via the control of supervisors Fred and David. Compared with previous studies for the schemes of solely bidirectional quantum teleportation and remote state preparation, the new protocol is a kind of hybrid approach of information communication which makes the quantum channel multipurpose.
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This work is supported by the National Natural Science Foundation of China (Grant No. 10902083) and Natural Science Foundation of Shannxi provincial of China (No. 2009JM1007).
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Wu, H., Zha, XW. & Yang, YQ. Controlled Bidirectional Hybrid of Remote State Preparation and Quantum Teleportation via Seven-Qubit Entangled State. Int J Theor Phys 57, 28–35 (2018). https://doi.org/10.1007/s10773-017-3537-x
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DOI: https://doi.org/10.1007/s10773-017-3537-x