Chinese Journal of Quantum Electronics, Volume. 29, Issue 5, 577(2012)

Splitting quantum information via six-qubit maximally entangled state

Xiu-li TU1、*, Ting ZHANG1, Xian-ming WANG1, and Jing XU2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    Quantum information splitting (QIS) or quantum state sharing is the generalization of classical secret sharing schemes to the quantum scenario. In QIS, a piece of quantum information (in the form of a quantum state) is divided and distributed to a number of receivers. A scheme of splitting two-qubit states was proposed by using six-particle maximally entangled state as the quantum channel. Alice first performs two Bell-basis measurement and announces her measurement outcome and assigns Charlie (Bob) to reconstruct the original unknown state. If the controllers Bob (Charlie) agree to help Charlie (Bob) obtain the original state, they should perform single-particle measurements on their respective qubits. After the sender performs Bell-basis measurements on her particles, and the cooperators operate single-particle measurements on their particles, the state receiver can reconstruct the original state of the sender by applying the appropriate unitary operation.

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    TU Xiu-li, ZHANG Ting, WANG Xian-ming, XU Jing. Splitting quantum information via six-qubit maximally entangled state[J]. Chinese Journal of Quantum Electronics, 2012, 29(5): 577

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    Paper Information

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    Received: Dec. 14, 2011

    Accepted: --

    Published Online: Oct. 8, 2012

    The Author Email: Xiu-li TU (421121797@qq.com)

    DOI:10.3969/j.issn.1007-5461.2012.05.011

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