Physics – Quantum Physics
Scientific paper
2007-02-15
Physics
Quantum Physics
10 pages with 4 figures, references added
Scientific paper
We present an improved protocol for entanglement purification of bipartite
mixed states. The protocol requires two-way classical communication and hence
implies an improved lower bound on the quantum capacity with two-way classical
communication of the quantum depolarizing channel.
Leung Alan W.
Shor Peter W.
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