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Efficient Quantum Key Distribution Scheme Using The Bell State Measurement

Author

Listed:
  • XIAOYU LI

    (Institute of Computing Technology, Chinese Academy of Sciences, P. O. Box 2704 Beijing, 100080, P. R. China)

Abstract

In this paper we provide a quantum key distribution (QKD) scheme based on the correlations of Einstein–Podolsky–Rosen (EPR) pairs. The scheme uses an auxiliary qubit to interact with the EPR pair and does the Bell state measurement to get the key. It is proved to be secure. All EPR pairs are used in distributing the key except some error-checking bits. So it is efficient. On the other hand there are less classical communications needed in the scheme.

Suggested Citation

  • Xiaoyu Li, 2003. "Efficient Quantum Key Distribution Scheme Using The Bell State Measurement," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 14(06), pages 757-763.
    • Handle: RePEc:wsi:ijmpcx:v:14:y:2003:i:06:n:s0129183103004887
    DOI: 10.1142/S0129183103004887
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