Clifford-deformed elongated compass codes exhibit bias-dependent thresholds and outperform the XZZX surface code at moderate dephasing biases under code capacity noise.
The numerical fit was a quadratic function of (p − pth)L1/ν where p is the physical error rate, pth is the threshold, L is the distance and ν is a critical parameter
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Clifford-Deformed Compass Codes
Clifford-deformed elongated compass codes exhibit bias-dependent thresholds and outperform the XZZX surface code at moderate dephasing biases under code capacity noise.