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Gravity-sensitive quantum dynamics in cold atoms.

Ma, Z.-Y. and d'Arcy, M. B. and Gardiner, S. A. (2004) 'Gravity-sensitive quantum dynamics in cold atoms.', Physical review letters., 93 . p. 164101.


We subject a falling cloud of cold cesium atoms to periodic kicks from a sinusoidal potential created by a vertical standing wave of laser light. By controllably accelerating the potential, we show quantum accelerator mode dynamics to be highly sensitive to the effective gravitational acceleration when close to specific, resonant values. This quantum sensitivity to a control parameter is reminiscent of that associated with classical chaos and promises techniques for precision measurement.

Item Type:Article
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Publisher statement:© 2004 by The American Physical Society. All rights reserved.
Date accepted:No date available
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Date of first online publication:October 2004
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