期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.210401
关键词
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资金
- Austrian Ministry of Science and Research (BMWF)
- Austrian Science Fund (FWF) through a START grant [Y479-N20]
- European Research Council [259435]
- Austrian Science Fund (FWF) [Y 479] Funding Source: researchfish
- European Research Council (ERC) [259435] Funding Source: European Research Council (ERC)
- Austrian Science Fund (FWF) [Y479] Funding Source: Austrian Science Fund (FWF)
We report on the achievement of Bose-Einstein condensation of erbium atoms and on the observation of magnetic Feshbach resonances at low magnetic fields. By means of evaporative cooling in an optical dipole trap, we produce pure condensates of Er-168, containing up to 7 x 10(4) atoms. Feshbach spectroscopy reveals an extraordinary rich loss spectrum with six loss resonances already in a narrow magnetic-field range up to 3 G. Finally, we demonstrate the application of a low-field Feshbach resonance to produce a tunable dipolar Bose-Einstein condensate and we observe its characteristic d-wave collapse.
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