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Magnetic merging of ultracold atomic gases of (85)Rb and (87)Rb

Haendel, S.; Wiles, T.P.; Marchant, A.L.; Hopkins, S.A.; Adams, C.S.; Cornish, S.L.

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Authors

S. Haendel

T.P. Wiles

A.L. Marchant

S.A. Hopkins



Abstract

We report the magnetic merging of ultracold atomic gases of 85Rb and 87Rb by the controlled overlap of two initially spatially separated magnetic traps. We present a detailed analysis of the combined magnetic-field potential as the two traps are brought together that predicts a clear optimum trajectory for the merging. We verify this prediction experimentally using 85Rb and find that the final atom number in the merged trap is maximized with minimal heating by following the predicted optimum trajectory. Using the magnetic-merging approach allows us to create variable-ratio isotopic Rb mixtures with a single laser-cooling setup by simply storing one isotope in a magnetic trap before jumping the laser frequencies to the transitions necessary to laser cool the second isotope.

Citation

Haendel, S., Wiles, T., Marchant, A., Hopkins, S., Adams, C., & Cornish, S. (2011). Magnetic merging of ultracold atomic gases of (85)Rb and (87)Rb. Physical Review A, 83(5), Article 053633. https://doi.org/10.1103/physreva.83.053633

Journal Article Type Article
Publication Date Jan 1, 2011
Deposit Date Jan 23, 2012
Publicly Available Date Mar 28, 2024
Journal Physical Review A
Print ISSN 1050-2947
Electronic ISSN 1094-1622
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 83
Issue 5
Article Number 053633
DOI https://doi.org/10.1103/physreva.83.053633

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Copyright Statement
© 2011 American Physical Society





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