Related Experiment Video
Updated: May 12, 2026
10:37
Spatial Separation of Molecular Conformers and Clusters
Published on: January 9, 2014
Addendum: Microscopic dynamics and Bose-Einstein condensation in liquid helium (2023J. Phys.: Condens.
1School of Physical and Chemical Sciences, Queen Mary University of London, 327 Mile End Road, London E1 4NS, United Kingdom.
Summary
Mobile atoms in liquid helium-4 accumulate in a finite-energy state. This model predicts the superfluid transition temperature within 15% of experimental values, offering new insights into liquid helium dynamics.
Area of Science:
- Condensed matter physics
- Quantum fluids
- Atomic physics
Context:
- Liquid helium-4 exhibits complex behavior, including superfluidity.
- Previous models have not fully explained the microscopic dynamics of mobile atoms.
- Experimental data on liquid helium-4 requires a refined theoretical framework.
Purpose:
- To propose a new theoretical model for mobile transit atoms in liquid helium-4.
- To evaluate the superfluid transition temperature within this new theoretical framework.
- To compare the model's predictions with experimental observations.
Summary:
- A recent proposal suggests mobile transit atoms in liquid helium-4 (He-4) accumulate in a finite-energy state, aligning with liquid dynamics and experimental findings.
- This theoretical picture allows for the evaluation of the superfluid transition temperature (Tc).
- The calculated Tc is found to be within 15% of experimentally measured values.
Impact:
- Provides a new theoretical perspective on the behavior of liquid helium-4.
- Offers a method to predict the superfluid transition temperature with improved accuracy.
- Potential to reconcile microscopic dynamics with macroscopic properties of quantum fluids.
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