Implementing an ancilla-free 1→M economical phase-covariant quantum cloning machine with superconducting quantum-interference devices in cavity QED

Long-Bao Yu, Wen-Hai Zhang, and Liu Ye
Phys. Rev. A 76, 034303 – Published 17 September 2007
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  • INTRODUCTION
  • ANCILLA-FREE 1→M ECONOMIC…
  • IMPLEMENTING ANCILLA-FREE 1→M ECONOMIC…
  • DISCUSSION AND CONCLUSION
  • ACKNOWLEDGEMENTS
    • References

    Abstract

    We propose a simple scheme to realize 1→M economical phase-covariant quantum cloning machine (EPQCM) with superconducting quantum interference device (SQUID) qubits. In our scheme, multi-SQUIDs are fixed into a microwave cavity by adiabatic passage for their manipulation. Based on this model, we can realize the EPQCM with high fidelity via adiabatic quantum computation.

    • Figure
    • Figure
    • Received 23 April 2007

    DOI:https://doi.org/10.1103/PhysRevA.76.034303

    ©2007 American Physical Society

    Authors & Affiliations

    Long-Bao Yu1,*, Wen-Hai Zhang1,2,†, and Liu Ye1,‡

    • 1School of Physics and Material Science, Anhui University, Hefei, 230039, People’s Republic of China
    • 2Department of Physics and Electronic Engineering, Anhui Institute of Education, Hefei, 230061, People’s Republic of China

    • *yulongb520@yahoo.com.cn
    • †zhangwenhaianhui@yahoo.com.cn
    • ‡yeliu@ahu.edu.cn

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    Issue

    Vol. 76, Iss. 3 — September 2007

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