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Quantum-droplet interferometry
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AI
DOI：10.1088/1367-2630/ae1f33.png)
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Abstract
En 中文
We propose atom interferometers based on quantum droplet (QD), which is also being reported as a superior platform for interferometry. The emphasizes have been given to harmonic-oscillator (HO) or ring-shaped potentials. In the HO trap, a Gaussian barrier induces coherent splitting; in the ring, one or two barriers guide the splitting and subsequent recombination. The atom number and relative mean-field interaction strength critically affect the interferometric performance. The transmission-coefficient analysis identifies values of the barrier parameters for the balanced 50:50 splitting. The post-recombination atom-number imbalance serves as a sensitive indicator of the relative phase between merging daughter QDs. We demonstrate that the HO-based setup may serve as a tilt-meter and target detector, and the ring geometry may be used as a compact QD Sagnac interferometer for rotation sensing.
Keywords:
quantum droplet
atom-interferometer
tilt-meter
target detector and Sagnac interferometer
Journal
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2.8
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580
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3.5W