Ultracold Mechanical Quantum Sensor for Tests of New Physics

arXiv:2507.02653 · quant-ph, cond-mat.mes-hall · Submitted 2025-07-03 · Read on arXiv

quant-ph, cond-mat.mes-hall

Submitted: 2025-07-03

Updated: 2026-05-08

Code: https://github.com/cajohare/AxionLimits

Terminology

• Fidelity — 8× in this paper · explained in 2 episodes
• Entanglement — 3× in this paper · explained in 3 episodes
• alpha — 2× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Core — 1× in this paper · explained in 2 episodes
• Lindblad master equation — 1× in this paper · explained in 2 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes
• Topological Defects — 1× in this paper · explained in 2 episodes

Sources

• Macroscopic quantum coherence and entanglement in mechanical systems
• Lifetime-limited Gigahertz-frequency Mechanical Oscillators with Millisecond Coherence Times
• Loss Mechanisms in High-coherence Multimode Mechanical Resonators Coupled to Superconducting Circuits
• QuTiP 5: The Quantum Toolbox in Python
• Dark Matter Candidates and Searches
• Holographic Noise in Interferometers

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