Deterministic controlled bidirectional remote state preparation via a six-qubit entangled state

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• 作者：Da Zhang ; Xin-wei Zha ; Ya-jun Duan ; Yu-quan Yang
• 刊名：Quantum Information Processing
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：15
• 期：5
• 页码：2169-2179
• 全文大小：413 KB
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Physics
  Mathematics
  Engineering, general
  Computer Science, general
  Characterization and Evaluation Materials
  
• 出版者：Springer Netherlands
• ISSN：1573-1332
• 卷排序：15

文摘

In this paper, we presented a controlled bidirectional remote state preparation scheme which used the six-qubit entangled state as quantum channel. In our scheme, Alice and Bob can prepare simultaneously an arbitrary single-qubit state in each other’s place with the control of the supervisor Charlie. The success probability for our scheme reaches unit. Furthermore, we analyze the expression of quantum channel for controlled bidirectional remote state preparation. Finally, we discuss the security of our scheme, the detailed security analysis shows that the supervisor Charlie’s control can greatly improve the security of our scheme.KeywordsControlled bidirectional remote state preparationSix-qubit entangled stateSingle-qubit state