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Harmonically trapped imbalanced quantum droplets
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DOI：10.1103/PhysRevResearch.6.013209.png)
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A two-component quantum droplet is an attractive mixture of ultracold bosons stabilized against collapse by quantum fluctuations. Commonly, two-component quantum droplets are studied within a balanced mixture. However, the mixture can be imbalanced resulting in a lower energy but less stably bound droplet, or even a droplet submerged in a gas. This work focuses on the experimentally relevant question: how are imbalanced droplets modified by harmonic trap potentials? Droplet ground states and breathing modes are analyzed across the two-dimensional parameter space of imbalance and trap strength. The robustness of the droplet imbalance is also studied by releasing the droplet from the trap, demonstrating that this can lead to the creation of free-space, imbalanced droplets.
Keyword:
BOSE-EINSTEIN CONDENSATION
FESHBACH RESONANCES
DYNAMICS
LIQUID
GAS
期刊
IF:
4.2
论文数:
7.6K
被引数:
2.7W
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分享收藏分享收藏Phonon stability and sound velocity of quantum droplets in a boson mixture.png)
PHYSICAL REVIEW B
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PHYSICAL REVIEW BIF3.7
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