Quantum Metrology for Signals with an Unknown Causal Structure

arXiv:2609.28066 · quant-ph · Submitted 2026-09-23 · Read on arXiv

quant-ph

Submitted: 2026-09-23

Updated: 2026-09-23

Terminology

• Fisher Information — 25× in this paper · explained in 3 episodes
• Trace — 16× in this paper · explained in 2 episodes
• Hilbert Space — 8× in this paper · explained in 2 episodes
• Entanglement — 7× in this paper · explained in 3 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Multipartite Entanglement — 1× in this paper · explained in 2 episodes
• Quantum Circuits — 1× in this paper · explained in 2 episodes
• Ulsan National Institute of Science and Technology — 1× in this paper
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Unifying spacetime approaches to quantum mechanics
• Observable and computable entanglement in time

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