Abstract.
We explicitly present a scheme for quantum state sharing of an arbitrary multiqubit state using nonmaximally entangled GHZ states as the quantum channel and generalized Bell states as the measurement basis. The scheme succeeds only probabilistically with its total success probability depending on the degree of entanglement matching between the quantum channel and the generalized Bell states. Security of the scheme is guaranteed by the fact that attacks of an outside eavesdropper or/and an inside dishonest party will inevitably introduce detectable errors.
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Man, ZX., Xia, YJ. & An, N. Quantum state sharing of an arbitrary multiqubit state using nonmaximally entangled GHZ states. Eur. Phys. J. D 42, 333–340 (2007). https://doi.org/10.1140/epjd/e2007-00024-x
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DOI: https://doi.org/10.1140/epjd/e2007-00024-x
PACS.
- 03.67.Hk Quantum communication
- 03.67.Dd Quantum cryptography
- 03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)