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An experimental platform for studying the heteronuclear Efimov effect with an ultracold mixture of 6Li and 133Cs atoms

We present the experimental apparatus enabling the observation of the heteronuclear Efimov effect in an optically trapped ultracold mixture of 6 Li- 133 Cs with high-resolution control of the interactions. A compact double-species Zeeman slower consisting of four interleaving helical coils allows fo...

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Main Authors: Lippi, Eleonora (Author) , Gerken, Manuel (Author) , Häfner, Stephan (Author) , Repp, Marc (Author) , Pires, Rico (Author) , Rautenberg, Michael (Author) , Krom, Tobias (Author) , Kuhnle, Eva D. (Author) , Tran, Binh (Author) , Ulmanis, Juris (Author) , Zhu, Bing (Author) , Chomaz, Lauriane (Author) , Weidemüller, Matthias (Author)
Format: Article (Journal)
Language:English
Published: 29 November 2024
In: Few-body systems
Year: 2024, Volume: 66, Issue: 1, Pages: 1-15
ISSN:1432-5411
DOI:10.1007/s00601-024-01971-9
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/s00601-024-01971-9
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/s00601-024-01971-9
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Author Notes:Eleonora Lippi, Manuel Gerken, Stephan Häfner, Marc Repp, Rico Pires, Michael Rautenberg, Tobias Krom, Eva D. Kuhnle, Binh Tran, Juris Ulmanis, Bing Zhu, Lauriane Chomaz, Matthias Weidemüller
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Summary:We present the experimental apparatus enabling the observation of the heteronuclear Efimov effect in an optically trapped ultracold mixture of 6 Li- 133 Cs with high-resolution control of the interactions. A compact double-species Zeeman slower consisting of four interleaving helical coils allows for a fast-switching between two optimized configurations for either Li or Cs and provides an efficient sequential loading into their respective MOTs. By means of a bichromatic optical trapping scheme based on species-selective trapping we prepare mixtures down to 100 nK of 1 × 10 4 Cs atoms and 7 × 10 3 Li atoms. Highly stable magnetic fields allow high-resolution atom-loss spectroscopy and enable to resolve splitting in the loss feature of a few tens of milligauss. These features allowed for a detailed study of the Efimov effect
Item Description:Im Titel sind die Zahlen 6 und 133 jeweils hochgestellt
Gesehen 10.06.2025
Physical Description:Online Resource
ISSN:1432-5411
DOI:10.1007/s00601-024-01971-9

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