Optimized Entanglement-Assisted Quantum Error Correction

Details Optimized Entanglement-Assisted Quantum Error Correction Optimized Entanglement-Assisted Quantum Error Correction

2010-08-31

arxiv.org/abs/1008.5384v1

Phys. Rev. A 82, 042321 (2010)

Physics

Quantum Physics

9 pages, 5 figures

Scientific paper

10.1103/PhysRevA.82.042321

Using convex optimization, we propose entanglement-assisted quantum error correction procedures that are optimized for given noise channels. We demonstrate through numerical examples that such an optimized error correction method achieves higher channel fidelities than existing methods. This improved performance, which leads to perfect error correction for a larger class of error channels, is interpreted in at least some cases by quantum teleportation, but for general channels this interpretation does not hold.

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