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Spin coupling between cold atoms and the thermal fluctuations of a metal surface.

Jones, M. P. A. and Vale, C. J. and Sahagun, D. and Hall, B. V. and Hinds, E. A. (2003) 'Spin coupling between cold atoms and the thermal fluctuations of a metal surface.', Physical review letters., 91 (8). 080401.


We describe an experiment in which Bose-Einstein condensates and cold atom clouds are held by a microscopic magnetic trap near a room-temperature metal wire 500 m in diameter. The lifetime for atoms to remain in the microtrap is measured over a range of distances down to 27 m from the surface of the metal.We observe the loss of atoms from the microtrap due to spin flips. These are induced by radio-frequency thermal fluctuations of the magnetic field near the surface, as predicted but not previously observed.

Item Type:Article
Keywords:Guiding neutral atoms, Traps, Optics, Wires, Chip.
Full text:Full text not available from this repository.
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Date accepted:No date available
Date deposited:No date available
Date of first online publication:August 2003
Date first made open access:No date available

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