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Bose-Einstein condensation on a permanent-magnet atom chip

Sinclair, CDJ; Curtis, EA; Llorente Garcia, I; Retter, JA; Hall, BV; Eriksson, S; Sauer, BE; (2005) Bose-Einstein condensation on a permanent-magnet atom chip. Physical Review A , 72 (3) , Article 031603. 10.1103/PhysRevA.72.031603. Green open access

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Abstract

We have produced a Bose-Einstein condensate on a permanent-magnet atom chip based on periodically magnetized videotape. We observe the expansion and dynamics of the condensate in one of the microscopic waveguides close to the surface. The lifetime for atoms to remain trapped near this dielectric material is significantly longer than above a metal surface of the same thickness. These results illustrate the suitability of microscopic permanent-magnet structures for quantum-coherent preparation and manipulation of cold atoms.

Type: Article
Title: Bose-Einstein condensation on a permanent-magnet atom chip
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevA.72.031603
Publisher version: http://dx.doi.org/10.1103/PhysRevA.72.031603
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
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
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/10086649
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