Fluctuation thermometry of an atom-resolved quantum gas: Beyond the fluctuation-dissipation theorem

arXiv:2502.05132 · cond-mat.quant-gas, cond-mat.stat-mech, physics.atom-ph, quant-ph · Submitted 2025-02-07 · Read on arXiv

cond-mat.quant-gas, cond-mat.stat-mech, physics.atom-ph, quant-ph

Submitted: 2025-02-07

Updated: 2025-02-07

Comments: 11 pages, 7 figures

Journal ref: Phys. Rev. Lett. 137, 123401 (2026)

DOI: 10.1103/45fw-r1cp

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 4× in this paper · explained in 7 episodes
• Fidelity — 2× in this paper · explained in 2 episodes
• Absorption Cross Section — 1× in this paper · explained in 1 episode
• Anti-correlation — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Entanglement Entropy — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Hubbard Model — 1× in this paper · explained in 3 episodes

Sources

• Making, probing and understanding Bose-Einstein condensates
• Thermodynamics and density fluctuations in a bilayer Hubbard system of ultracold atoms
• In-situ Imaging of a Single-Atom Wave Packet in Continuous Space
• Quantum Gas Microscopy of Fermions in the Continuum
• Measuring pair correlations in Bose and Fermi gases via atom-resolved microscopy
• In situ imaging of the thermal de Broglie wavelength in an ultracold Bose gas

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