Single-Ensemble Multiparameter Squeezing with Qudits

arXiv:2605.26377 · quant-ph · Submitted 2026-05-25 · Read on arXiv

quant-ph

Submitted: 2026-05-25

Updated: 2026-09-19

Terminology

• Spin Squeezing — 12× in this paper · explained in 2 episodes
• Entanglement — 10× in this paper · explained in 4 episodes
• Fisher Information — 7× in this paper · explained in 3 episodes
• Trace — 6× in this paper · explained in 2 episodes
• Hilbert Space — 3× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Effective Hamiltonian — 1× in this paper · explained in 2 episodes
• Quantization — 1× in this paper · explained in 12 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Standard Quantum Limit (SQL) — 1× in this paper · explained in 2 episodes
• Symmetric Logarithmic Derivative — 1× in this paper

Sources

• Simultaneous Determination of Local Magnetic Fields and Sensor Orientation with Nitrogen-Vacancy Centers in Nanodiamond
• A Brief Introduction to POVM Measurement in Quantum Communications
• Entanglement and spin-squeezing without infinite-range interactions
• Theory of Scalable Spin Squeezing with Disordered Quantum Dipoles
• Scalable Spin Squeezing in Power-Law Interacting XXZ Models with Disorder

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• Encrypted clones can leak: Classification of informative subsets in Quantum Encrypted Cloning
• Polynomial-time classical and quantum simulation of quantum impurity models
• 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