Variational quantum state preparation within an entangle-rotate circuit framework for quantum-enhanced metrology in noisy systems

arXiv:2604.15209 · quant-ph · Submitted 2026-04-16 · Read on arXiv

quant-ph

Submitted: 2026-04-16

Updated: 2026-09-24

Terminology

• Fidelity — 20× in this paper · explained in 2 episodes
• Entanglement — 17× in this paper · explained in 4 episodes
• Bayesian Optimization — 8× in this paper · explained in 3 episodes
• Fisher Information — 6× in this paper · explained in 3 episodes
• Hilbert Space — 5× in this paper · explained in 2 episodes
• Diagnostic Tools — 4× in this paper · explained in 2 episodes
• Robustness — 4× in this paper · explained in 5 episodes
• Quantum Fisher Information (QFI) — 3× in this paper · explained in 13 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Lindblad master equation — 1× in this paper · explained in 2 episodes
• Quantization — 1× in this paper · explained in 12 episodes
• Standard Quantum Limit (SQL) — 1× in this paper · explained in 2 episodes

Sources

• Exponential onset of scalable entanglement via twist-and-turn dynamics in XY models

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