Decoder Model Compatibility Provides Information beyond the Logical Gap under Drifting and Correlated Quantum Noise

arXiv:2609.29018 · quant-ph · Submitted 2026-09-24 · Read on arXiv

quant-ph

Submitted: 2026-09-24

Updated: 2026-09-24

Terminology

• Fidelity — 31× in this paper · explained in 2 episodes
• Calibration — 29× in this paper · explained in 7 episodes
• Distillation — 4× in this paper · explained in 2 episodes
• Post-Selection — 4× in this paper · explained in 2 episodes
• Robustness — 3× in this paper · explained in 5 episodes
• Accuracy — 2× in this paper · explained in 1 episode
• Decode — 2× in this paper · explained in 2 episodes
• Adaptation — 1× in this paper · explained in 1 episode
• Adaptive Weighting — 1× in this paper · explained in 1 episode
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Core — 1× in this paper · explained in 2 episodes
• Hypergraph — 1× in this paper · explained in 2 episodes
• National Energy Research Scientific Computing Center — 1× in this paper

Sources

• Magic state cultivation: growing T states as cheap as CNOT gates
• Magic state cultivation on a superconducting quantum processor
• Thresholds for post-selected quantum error correction from statistical mechanics
• Forced Gap Post-Selection for Quantum LDPC Codes and their Operations
• Scalable Postselection of Quantum Resources
• Error mitigation for logical circuits using decoder confidence
• Machine-learned syndrome post-selection for reliable quantum error correction
• Neural network decoder confidence as a learned proxy for the logical gap
• Estimating detector error models from syndrome data
• Quantum computing with Qiskit
• Tesseract: A Search-Based Decoder for Quantum Error Correction

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• Theory of quantum-enhanced interferometry with general Markovian light sources
• A convergent hierarchy of spectral gap certificates for qubit Hamiltonians
• Universal Bound and Phase Transition in Many-Body Fermionic Non-Gaussianity