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Decoding Quantum Error Correction Codes With Local Variation
IEEE Transactions on Quantum Engineering
In this article, we investigate the role of local information in the decoding of the repetition and surface error correction codes for the protection of quantum states. Our key result is an improvement in resource efficiency when local information is taken into account during the decoding process: the code distance associated with a given logical error rate is reduced with a magnitude depending on the proximity of the physical error rate to the accuracy threshold of the code. We also brieflydoi:10.1109/tqe.2020.2967890 fatcat:vgmerh7yerbbbadsv7ou5mn2gi