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Mutual information, bit error rate and security in W\'{o}jcik's scheme

Authors
  • Zhang, Zhanjun
Type
Preprint
Publication Date
Feb 21, 2004
Submission Date
Feb 20, 2004
Identifiers
arXiv ID: quant-ph/0402151
Source
arXiv
License
Unknown
External links

Abstract

In this paper the correct calculations of the mutual information of the whole transmission, the quantum bit error rate (QBER) are presented. Mistakes of the general conclusions relative to the mutual information, the quantum bit error rate (QBER) and the security in W\'{o}jcik's paper [Phys. Rev. Lett. {\bf 90}, 157901(2003)] have been pointed out.

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