Llorente Garcia, I;
Darquié, B;
Curtis, EA;
Sinclair, CDJ;
Hinds, EA;
(2010)
Experiments on a videotape atom chip: fragmentation and transport studies.
New Journal of Physics
, 12
, Article 093017. 10.1088/1367-2630/12/9/093017.
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Abstract
This paper reports on experiments with ultracold rubidium atoms confined in microscopic magnetic traps created using a piece of periodically magnetized videotape mounted on an atom chip. The roughness of the confining potential is studied with atomic clouds at temperatures of a few μK and at distances between 30 and 80 μm from the videotape-chip surface. The inhomogeneities in the magnetic field created by the magnetized videotape close to the central region of the chip are characterized in this way. In addition, we demonstrate a novel transport mechanism whereby we convey cold atoms confined in arrays of videotape magnetic micro-traps over distances as large as ~1 cm parallel to the chip surface. This conveying mechanism enables us to survey the surface of the chip and observe potential-roughness effects across different regions.
| Type: | Article |
|---|---|
| Title: | Experiments on a videotape atom chip: fragmentation and transport studies |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1088/1367-2630/12/9/093017 |
| Publisher version: | https://doi.org/10.1088/1367-2630/12/9/093017 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10086646 |
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