XYZ planar code with pMWPM decoder achieves higher and more stable thresholds under biased noise than standard surface codes, with a 36% improvement in the infinite-bias limit.
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Generalized coherent information acts as a sharp phase-transition indicator over the entire p-T plane in the 2D ±J random-bond Ising model, yielding a high-precision multicritical point estimate p_c=0.1092212(4) with reduced finite-size effects.
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A Posterior MWPM Decoding Boosts the XYZ Planar Code
XYZ planar code with pMWPM decoder achieves higher and more stable thresholds under biased noise than standard surface codes, with a 36% improvement in the infinite-bias limit.
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Revisiting Nishimori multicriticality through the lens of information measures
Generalized coherent information acts as a sharp phase-transition indicator over the entire p-T plane in the 2D ±J random-bond Ising model, yielding a high-precision multicritical point estimate p_c=0.1092212(4) with reduced finite-size effects.