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quant-ph2020★ 45 cited
Subsystem codes with high thresholds by gauge fixing and reduced qubit overhead
Oscar Higgott, Nikolas P. Breuckmann
We introduce a technique that uses gauge fixing to significantly improve the quantum error correcting performance of subsystem codes. By changing the order in which check operators…
quant-ph2020★ 19 cited
Optimal local unitary encoding circuits for the surface code
Oscar Higgott, Matthew Wilson, James Hefford +4
The surface code is a leading candidate quantum error correcting code, owing to its high threshold, and compatibility with existing experimental architectures. Bravyi et al. (2006)…