High threshold error correction for the surface code
classification
🪐 quant-ph
cond-mat.str-el
keywords
errorcorrectionalgorithmcodesurfacethresholdallowingbound
read the original abstract
An algorithm is presented for error correction in the surface code quantum memory. This is shown to correct depolarizing noise up to a threshold error rate of 18.5%, exceeding previous results and coming close to the upper bound of 18.9%. The time complexity of the algorithm is found to be polynomial with error suppression, allowing efficient error correction for codes of realistic sizes.
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