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Conference on Lasers and Electro-Optics

A storage ring for Bose-Einstein condensates

Craig Garvie, Aidan S. Arnold, Erling Riis

Published Jan 1, 2004• 0 citations
Publisher

Abstract

A vertically-oriented magnetic storage ring for cold atoms has been demonstrated and Bose-Einstein condensates have been formed in a localised section of the torus. The unique design should facilitate high-precision atom interferometry.
DOI
10.1364/iqec.2004.itue5

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The experimental realization of gaseous Bose—Einstein condensation (BEC) in 1995 sparked considerable interest in this intriguing quantum fluid. Here, progress towards the development of an 87Rb BEC experiment in a large (≈ 10cm diameter) toroidal storage ring is reported. A BEC will be formed at a localized region within the toroidal magnetic trap, from whence it can be launched around the torus. The benefits of the system are manifold, as it should readily enable detailed investigations of persistent currents, Josephson effects, phase fluctuations and high-precision Sagnac or gravitational interferometry.
The experimental realization of gaseous Bose-Einstein condensation (BEC) in 1995 sparked considerable interest in this intriguing quantum fluid. Here, progress towards the development of an 87Rb BEC experiment in a large (, 10cm diameter) toroidal storage ring is reported. A BEC will be formed at a localized region within the toroidal magnetic trap, from whence it can be launched around the torus. The benefits of the system are manifold, as it should readily enable detailed investigations of persistent currents, Josephson effects, phase fluctuations and high-precision Sagnac or gravitational interferometry.