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

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Preprint
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arXiv ID: quant-ph/0402151
Source
arXiv
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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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