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Hierarchical quantum rotation operation sharing with multiparty users

  • Wei-Min Shi,
  • Meng-Xuan Bai,
  • Yi-Hua Zhou,
  • Yu-Guang Yang

摘要

The proposed hierarchical quantum operation sharing scheme cannot solve the supervision problem of the highest power owner. Therefore, with the help of the local operations and classical communication, a novel hierarchical quantum rotation operation sharing scheme with five users is proposed by utilizing a genuine five-qubit entangled state as the quantum channel. In this scheme, both senders can remotely and independently perform rotation operations from the set \(U\) U on the target quantum state of any two low-level agents or one high-level agent, so that if the high-level agent wants to reconstruct the conceivable state, he needs the help of one low-level agent. Similarly, if the low-level agent wants to reconstruct the conceivable state, he needs the help of all other high-level and low-level agents. Furthermore, the above hierarchical quantum rotation operation sharing scheme with five users is extended to the case of multiple senders and agents by utilizing a \(\left( {m + x + y} \right)\) m + x + y -qubit entangled state as the quantum channel. Finally, the security analysis shows that this scheme can solve the supervision problem of the highest power owner, prevent him from abusing his power, and resist external eavesdropper attack.