Zhanjun Zhang
Published 2004-02-20, updated 2004-02-21Version 2
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.
Comments: 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. Also I hope experts can give me some help in addressing the question I present in this paper
Mutual information in interacting spin systems
Exponential decay of mutual information for Gibbs states of local Hamiltonians
Construct order parameter from the spectra of mutual information
