Hensinger, W, Häffner, H, Browaeys, A, Heckenberg, N R, Helmerson, K, McKenzie, C, Milburn, G J, Phillips, W D, Rolston, S L, Rubinsztein-Dunlop, H and Upcroft, B (2001) Cold atoms in an amplitude modulated optical lattice - dynamical tunneling. In: The 15th International conference on Laser Spectroscopy, 10-15th June 2001, Snowbird, Utah, USA.

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Abstract

We give an overview of our experiments on the quantum and classical dynamics of atoms in an amplitude modulated standing wave - the quantum driven pendulum. Atoms are prepared in a magneto-optic trap or as a dilute Bose-Einstein condensate and subjected to a far detuned optical standing wave. We observe the occurrence of a bifurcation sequence in the parameter space of the quantum driven pendulum. We also observe dynamical tunnelling between two classically isolated states of motion. The tunnelling process is coherent and we see more than eight tunnelling periods.

Item Type:	Conference or Workshop Item (Paper)
Additional Information:	Published in LASER SPECTROSCOPY: Proceedings of the XV International Conference. pp. 219-227
Schools and Departments:	School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User:	Winfried Hensinger
Date Deposited:	06 Feb 2012 19:28
Last Modified:	01 May 2012 08:46
URI:	http://sro.sussex.ac.uk/id/eprint/20723

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