A simulated distributed XX merge of two surface-code patches keeps its fault-tolerance threshold near 0.83–0.87% even when shared Bell pairs are up to 11 times noisier than local gates.
Proof of finite surface code threshold for matching,
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Towards the Characterization of Logical Errors in Distributed Lattice Surgery
A simulated distributed XX merge of two surface-code patches keeps its fault-tolerance threshold near 0.83–0.87% even when shared Bell pairs are up to 11 times noisier than local gates.