期刊
PHYSICAL REVIEW RESEARCH
卷 2, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.2.013068
关键词
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资金
- MEXT Quantum Leap Flagship Program (MEXT Q-LEAP) [JPMXS0118070326]
- Asahi Glass Foundation
- JSPS KAKENHI [JP18K45678]
We demonstrate gravity compensation for an ultracold gas of Rb-87 atoms with a time-averaged optical potential. The position of a far-off-resonance beam is temporally modulated with an acousto-optic deflector to efficiently produce a potential with a linear gradient independent of the atomic magnetic sublevels. We realize compensation of the gravity sag and preparation of a degenerate gas in a trap with weak vertical confinement. Optical gravity compensation will provide the opportunity to perform experiments under microgravity in a laboratory and broaden the scope of cold atom research.
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