Realising a species-selective double well with multiple-radiofrequency-dressed potentials

Techniques to manipulate the individual constituents of an ultracold mixture are key to investigating impurity physics. In this work, we confine a mixture of hyperfine ground states of 87Rb atoms in a double-well potential. The potential is produced by dressing the atoms with multiple radiofrequenci...

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Published inJournal of physics. B, Atomic, molecular, and optical physics Vol. 53; no. 15; pp. 155001 - 155008
Main Authors Barker, A J, Sunami, S, Garrick, D, Beregi, A, Luksch, K, Bentine, E, Foot, C J
Format Journal Article
LanguageEnglish
Published IOP Publishing 14.08.2020
Subjects
radiofrequency-dressed potentials
species-selective manipulation
ultracold atoms
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Summary:Techniques to manipulate the individual constituents of an ultracold mixture are key to investigating impurity physics. In this work, we confine a mixture of hyperfine ground states of 87Rb atoms in a double-well potential. The potential is produced by dressing the atoms with multiple radiofrequencies. The amplitude and phase of each frequency component of the dressing field are controlled to independently manipulate each species. Furthermore, we verify that our mixture of hyperfine states is collisionally stable, with no observable inelastic loss.
Bibliography:JPHYSB-106045.R1
ISSN:0953-4075
1361-6455
DOI:10.1088/1361-6455/ab9152