Science
Physicists predict stable quantum droplets formed from mixtures of bosons and fermions
Theoretical calculations indicate that opposing quantum forces can balance to create self-bound matter in strongly interacting Bose-Fermi systems.
The short version
- Researchers from Monash University and Heidelberg University calculated that bosons and fermions can combine to create stable, self-bound quantum droplets.
- The stability is predicted to arise from an attractive force counteracted by pressure from fermions, preventing the mixture from collapsing.
- The theoretical framework addresses strongly interacting systems and awaits validation through ultracold atom laboratory experiments.
Key facts
- Theoretical calculations published in Physical Review Letters predict that mixtures of bosons and fermions can form stable, self-bound quantum droplets under strong interactions.[ScienceDaily]
- The study was conducted by researchers from Monash University's School of Physics and Astronomy alongside collaborators at Heidelberg University.[ScienceDaily]
- According to the model, an attractive pull between the two particle types is counterbalanced by internal fermion pressure to keep the droplet intact.[ScienceDaily]
- The researchers indicated that the predicted state of matter could be tested and produced using existing ultracold atom experimental setups.[ScienceDaily]
What remains uncertain
- The predicted quantum droplets remain purely theoretical and have not yet been produced or verified in laboratory experiments.[ScienceDaily]
Sources
- A strange new quantum droplet can hold itself togetherScienceDaily - Science