Virtual purification complements quantum error correction in quantum metrology

arXiv:2503.12614 · quant-ph · Submitted 2025-03-16 · Read on arXiv

quant-ph

Submitted: 2025-03-16

Updated: 2026-06-01

Terminology

• Fisher Information — 7× in this paper · explained in 3 episodes
• Heisenberg Scaling — 7× in this paper · explained in 4 episodes
• Accuracy — 5× in this paper · explained in 1 episode
• Supplemental Material — 3× in this paper
• Verification — 3× in this paper · explained in 2 episodes
• Entanglement — 2× in this paper · explained in 4 episodes
• Stabilizer States — 2× in this paper · explained in 2 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Distillation — 1× in this paper · explained in 2 episodes
• Quantum Circuits — 1× in this paper · explained in 2 episodes
• Quantum Fisher Information (QFI) — 1× in this paper · explained in 13 episodes
• Systematic Bias — 1× in this paper · explained in 3 episodes
• Unitary Dynamics — 1× in this paper · explained in 2 episodes

Sources

• Restoring Heisenberg scaling in time via autonomous quantum error correction
• Criteria for unbiased estimation: applications to noise-agnostic sensing and quantum channel estimation

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