Journal
NEW JOURNAL OF PHYSICS
Volume 21, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/ab2ce3
Keywords
Bose-Fermi liquid; low-dimensional mixture; quantum fluctuation; quantum droplets
Categories
Funding
- EUHorizon [2020-FET QUIC 641122]
- (Polish) National Science Center [2017/25/B/ST2/01943]
- Spanish Ministry MINECO(National Plan 15 Grant: FISICATEAMO) [FIS2016-79508-P, SEV-2015-0522]
- European Social Fund
- Fundacio Cellex
- Generalitat de Catalunya (AGAUR) [2017 SGR 1341]
- ERC AdG OSYRIS
- EU FETPRO QUIC
- National Science Centre, Poland-Symfonia Grant [2016/20/W/ST4/00314]
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Westudy weakly interacting mixtures of ultracold atoms composed of bosonic and fermionic species in 2D and 1D. When interactions between particles are appropriately tuned, self-bound quantum liquids can be formed. Weshow that while formation of these droplets in 2D is due to the higher order correction terms contributing to the total energy and originating in quantum fluctuations, in 1D geometry the quantum fluctuations have a negligible role on formation of the self-bound systems. The leading mean-field interactions are then sufficient for droplet formation in 1D. Weanalyze energetic stability for 2D and 1D systems and predict values of equilibrium densities of droplets.
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