A quantum degenerate Bose-Fermi mixture of 41K and 6Li
We report a new apparatus for the study of two-species quantum degenerate mixture of 41 K and 6 Li atoms. We develop and combine several advanced cooling techniques to achieve both a large atom number and high phase space density of the two-species atom clouds. Furthermore, we build a high efficienc...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
7 April 2017
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| In: |
Journal of physics. B, Atomic, molecular and optical physics
Year: 2017, Jahrgang: 50, Heft: 9 |
| ISSN: | 1361-6455 |
| DOI: | 10.1088/1361-6455/aa658b |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1088/1361-6455/aa658b Verlag, Volltext: http://stacks.iop.org/0953-4075/50/i=9/a=094001 
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| Verfasserangaben: | Yu-Ping Wu, Xing-Can Yao, Hao-Ze Chen, Xiang-Pei Liu, Xiao-Qiong Wang, Yu-Ao Chen and Jian-Wei Pan |
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| 520 | |a We report a new apparatus for the study of two-species quantum degenerate mixture of 41 K and 6 Li atoms. We develop and combine several advanced cooling techniques to achieve both a large atom number and high phase space density of the two-species atom clouds. Furthermore, we build a high efficiency two-species magnetic transport system to transfer atom clouds from the 3D magneto-optical-trap chamber to a full glass science chamber of an extreme high vacuum environment and good optical access. We perform a forced radio-frequency evaporative cooling for 41 K atoms while the 6 Li atoms are sympathetically cooled in an optically plugged magnetic trap. Finally, we achieve the simultaneous quantum degeneracy for the 41 K and 6 Li atoms. The Bose-Einstein condensate of 41 K has 1.4 × 10 5 atoms with a condensate fraction of about 62%, while the degenerate Fermi gas of 6 Li has a total atom number of 5.4 × 10 5 at 0.25 Fermi temperature. | ||
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