Recognition: unknown
Approximate quantum error correction
classification
🪐 quant-ph
keywords
approximatechannelcoherentcorrectionerrorinformationquantumarise
read the original abstract
The errors that arise in a quantum channel can be corrected perfectly if and only if the channel does not decrease the coherent information of the input state. We show that, if the loss of coherent information is small, then approximate error correction is possible.
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