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<p>On the basis of the five-qubit entangled state introduced by Briegel and Raussendorf (Phys. Rev. Lett. 86: 910, 2001), we propose a tripartite scheme for remotely sharing an arbitrary single-qubit operation. Unlike some existing quantum operation schemes, this scheme is distinguished by an arbitrary rather than a restricted shared operation; a deterministic rather than a probabilistic chance of final success; local rather than nonlocal necessary operations; and a relatively high intrinsic efficiency. Additionally, the essential operation functions, the physical mechanisms, and the security of the scheme are analyzed and confirmed comprehensively. Furthermore, the impact of phase-damping noise on our scheme is analyzed via fidelity. Investigation shows that the proposed scheme is fully realizable with currently available experimental technologies.</p>

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Construction and analysis of a tripartite scheme for deterministically sharing an arbitrary single-qubit operation via five-qubit entangled state

  • 期刊论文

  • 发表日期：

    2026年3月2日

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  • Hao Yuan,
  • Jin-Hua Yu,
  • Zhan-Jun Zhang

摘要

On the basis of the five-qubit entangled state introduced by Briegel and Raussendorf (Phys. Rev. Lett. 86: 910, 2001), we propose a tripartite scheme for remotely sharing an arbitrary single-qubit operation. Unlike some existing quantum operation schemes, this scheme is distinguished by an arbitrary rather than a restricted shared operation; a deterministic rather than a probabilistic chance of final success; local rather than nonlocal necessary operations; and a relatively high intrinsic efficiency. Additionally, the essential operation functions, the physical mechanisms, and the security of the scheme are analyzed and confirmed comprehensively. Furthermore, the impact of phase-damping noise on our scheme is analyzed via fidelity. Investigation shows that the proposed scheme is fully realizable with currently available experimental technologies.