期刊
PHYSICAL REVIEW RESEARCH
卷 2, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.2.013269
关键词
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资金
- Spanish Ministry of Science, Innovation and Universities [PGC2018-101355-B-I00]
- European Regional Development Fund FEDER [PGC2018-101355-B-I00]
- Basque Government [IT986-16]
- EC-H2020 Grant QUIC [641122]
- project TAIOL of QuantERA ERA-NET Cofund in Quantum Technologies [731473]
We report on the dynamical formation of self-bound quantum droplets in attractive mixtures of K-39 atoms. Considering the experimental observations of Semeghini et al. [Phys. Rev. Lett. 120, 235301 (2018)], we perform numerical simulations to understand the relevant processes involved in the formation of a metastable droplet from an out-of-equilibrium mixture. We first analyze the so-called self-evaporation mechanism, where the droplet dissipates energy by releasing atoms, and then we consider the effects of losses due to three-body recombinations and to the balancing of populations in the mixture. We discuss the importance of these three mechanisms in the observed droplet dynamics and their implications for future experiments.
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