Quantum channels with correlated noise and entanglement teleportation

Details Quantum channels with correlated noise and entanglement teleportation Quantum channels with correlated noise and entanglement teleportation

2002-11-14

arxiv.org/abs/quant-ph/0211084v1

Physics

Quantum Physics

12 Pages, REVTex 4

Scientific paper

10.1103/PhysRevA.67.054304

Motivated by the results of C. Macchiavello and G. M. Palma on entanglement-enhanced information transmission over a quantum channel with correlated noise, we demonstrate how the entanglement teleportation scheme of J. Lee and M. S. Kim gives rise to two uncorrelated generalized depolarizing channels. In an attempt to find a teleportation scheme which yields two correlated generalized depolarizing channels, we discover a novel teleportation scheme, which allows one to learn about the entanglement in an entangled pure input state, but without decreasing the amount of entanglement associated with it.

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