Provably Efficient Self-Calibrating Quantum Fault Tolerance

arXiv:2608.05686 · quant-ph, cs.LG · Submitted 2026-08-20 · Read on arXiv

Weiyuan Gong, Hong-Ye Hu

quant-ph, cs.LG

Submitted: 2026-08-20

Updated: 2026-08-21

Comments: 64 pages, 12 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 100× in this paper · explained in 7 episodes
• Regret — 28× in this paper · explained in 3 episodes
• Objective Function — 25× in this paper · explained in 2 episodes
• Trace — 8× in this paper · explained in 2 episodes
• Fidelity — 6× in this paper · explained in 2 episodes
• Loss Function — 5× in this paper · explained in 2 episodes
• Convergence Guarantees — 4× in this paper · explained in 3 episodes
• Steering — 4× in this paper · explained in 2 episodes
• Adam — 3× in this paper · explained in 2 episodes
• Hilbert Space — 3× in this paper · explained in 2 episodes
• Ambient Dimension — 2× in this paper · explained in 1 episode
• Ancillary Qubits — 2× in this paper · explained in 1 episode
• Entanglement — 2× in this paper · explained in 4 episodes
• International Conference on Learning Representations — 2× in this paper
• Quantum Circuits — 2× in this paper · explained in 2 episodes
• Reinforcement Learning — 2× in this paper · explained in 4 episodes
• AI Agents — 1× in this paper · explained in 2 episodes
• Agentic AI — 1× in this paper · explained in 1 episode
• Anyons — 1× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Generative Model — 1× in this paper · explained in 2 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 6 episodes
• Local Optimization — 1× in this paper · explained in 2 episodes

Sources

• Demonstration of logical qubits and repeated error correction with better-than-physical error rates
• Scalable and Site-Specific Frequency Tuning of Two-Level System Defects in Superconducting Qubit Arrays
• Quantum Probe Tomography
• Meta-Harness: End-to-End Optimization of Model Harnesses
• Vibe Calibration: Autonomous Bring-up of a 112-Qubit Superconducting Quantum Processor by a Skill-Orchestrating Language Agent
• Agentic AI for Scientific Reasoning in Autonomous Quantum Sensing Experiments
• High-rate qLDPC processors
• A Quantum Approximate Optimization Algorithm
• Critical Points in Quantum Generative Models
• A Convergence Theory for Over-parameterized Variational Quantum Eigensolvers
• Quantum Control Landscapes Are Almost Always Trap Free

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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