Remote implementations of partially unknown quantum operations of multiqubits

An Min Wang
Phys. Rev. A 74, 032317 – Published 15 September 2006
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  • INTRODUCTION
  • SIMPLIFIED HPV PROTOCOL
  • RESTRICTED SETS OF QUANTUM OPERATIONS
  • PROTOCOL IN THE CASE OF TWO QUBITS
  • EXTENSION TO THE CASES OF N QUBITS
  • DISCUSSION AND CONCLUSION
  • ACKNOWLEDGEMENTS
  • APPENDICES
    • References

    Abstract

    We propose and prove the protocol of remote implementations of partially unknown quantum operations of multiqubits belonging to the restricted sets. Moreover, we obtain the general and explicit forms of restricted sets and present evidence of their uniqueness and optimization. In addition, our protocol has universal recovery operations that can enhance the power of remote implementations of quantum operations.

    • Figure
    • Received 28 October 2005

    DOI:https://doi.org/10.1103/PhysRevA.74.032317

    ©2006 American Physical Society

    Authors & Affiliations

    An Min Wang*

    • Quantum Theory Group, Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People’s Republic of China

    • *Email address: anmwang@ustc.edu.cn

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    Issue

    Vol. 74, Iss. 3 — September 2006

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