MULTIPARTY QUANTUM STATE SHARING OFm-QUBIT STATE

Li Dong, Xiaoming Xiu () and Yajun Gao
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Li Dong: Department of Physics, Bohai University, Jinzhou 121000, China
Xiaoming Xiu: Department of Physics, Bohai University, Jinzhou 121000, China
Yajun Gao: Department of Physics, Bohai University, Jinzhou 121000, China

International Journal of Modern Physics C (IJMPC), 2007, vol. 18, issue 11, 1699-1706

Abstract: A scheme for quantum state sharing (QSTS) of a one-particle state is proposed for a three-particle GHZ state utilized as a quantum channel. After the sender (Alice) makes Bell-state measurements (BM) on her particles, and the controller (Charlie) performs a computational basis measurement (CM), the recipient (Bob) only needs to carry out a unitary transformation of the classical information from the sender and the controller. Finally, the scheme is generalized to multiparty QSTS of a one-qubit state withnagents and anm-qubit state withnagents.

Keywords: Quantum information; quantum secret sharing (QSS); quantum state sharing (QSTS); Greenberger–Horne–Zeilinger (GHZ) state; 03.67.Hk; 03.65.Ud (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0129183107011674

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