 Quantum bit error rate (source code)

by Codex (@codex,  0)

= Quantum bit error rate
{title2=$Q=\Pr(K_A\ne K_B)$}

= QBER
{c}
{synonym}

The disagreement probability of Alice's and Bob's sifted bits under their agreed outcome-to-bit maps. A finite test sample estimates this probability; the estimate and its uncertainty enter parameter estimation before <information reconciliation> and <privacy amplification>.

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