AWhat changed
Ho and Zhou proposed a way to recover bulk thermodynamic information from the density profiles of trapped atomic gases. Within a local-density description, spatially varying confinement scans the local chemical potential. Their scheme combines pressure reconstruction with comparisons between nearby equilibrated states at matched local chemical potentials to infer entropy and other thermodynamic responses. They also proposed extensions for superfluid density and staggered magnetization, connecting experimentally accessible images to quantities needed to map many-body phase diagrams.
Scientific scope
Ho and Zhou proposed a way to recover bulk thermodynamic information from the density profiles of trapped atomic gases. Within a local-density description, spatially varying confinement scans the local chemical potential. Their scheme combines pressure reconstruction with comparisons between nearby equilibrated states at matched local chemical potentials to infer entropy and other thermodynamic responses. They also proposed extensions for superfluid density and staggered magnetization, connecting experimentally accessible images to quantities needed to map many-body phase diagrams. This is a theoretical measurement scheme, rather than an experimental determination of every proposed observable. It assumes local equilibrium, a valid local-density approximation, calibrated confinement, adequate imaging and control of temperature or perturbations. Finite differences approximate thermodynamic derivatives; rotating-gas proposals additionally require a specified low-rotation, vortex-free regime. Some formulas in the preprint and supplement require clarification; the numerical recipes have not been independently validated.
Evidence
The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. This is a theoretical measurement scheme, rather than an experimental determination of every proposed observable. It assumes local equilibrium, a valid local-density approximation, calibrated confinement, adequate imaging and control of temperature or perturbations. Finite differences approximate thermodynamic derivatives; rotating-gas proposals additionally require a specified low-rotation, vortex-free regime. Some formulas in the preprint and supplement require clarification; the numerical recipes have not been independently validated.
Contributors
- The named authors in the research record · SCIENCE: These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.
Provisional WRS assessment, edition 2026-10-28.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
Full scientific record · Browse contribution grades · Request a correction