Abstract
We present an efficient symmetric scheme for five-party quantum state sharing of an arbitrary m-qubit state with 2m three-particle entangled states. The implementations of this scheme only need to exploit the CNOT gate operations and the single-particle measurements, instead of the three-particle GHZ-state measurements, which makes it more convenient in a practical application than some previous schemes. In addition, its total efficiency can approach the maximal value in theory.
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Shi, Rh., Huang, Ls., Yang, W. et al. Efficient Symmetric Five-Party Quantum State Sharing of an Arbitrary m-Qubit State. Int J Theor Phys 50, 3329–3336 (2011). https://doi.org/10.1007/s10773-011-0836-5
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DOI: https://doi.org/10.1007/s10773-011-0836-5