Kicked Bose-Einstein condensates:in search of exponential instability

Monteiro, T.S. and Rancon, A. and Ruostekoski, J. (2009) Kicked Bose-Einstein condensates:in search of exponential instability. In: Complex Phenomena in Nanoscale Systems. NATO Science for Peace and Security Series B: Physics and Biophysics . Springer, Dordrecht, pp. 109-119. ISBN 9789048131204

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Abstract

Bose-Einstein condensates subject to short pulses (`kicks') from standing waves of light represent a nonlinear analogue of the well-known chaos paradigm, the quantum kicked rotor. We review briefly our current understanding of dynamicalor exponential instability in weakly kicked BECs. Previous studies of the onset of dynamical instability associated it with some form of classical chaos. We show it is due to parametric instability : resonant driving of certain collective modes. We map the zones of instability and calculate the Liapunov exponents.

Item Type: Contribution in Book/Report/Proceedings
Departments: Faculty of Science and Technology > Physics
ID Code: 123682
Deposited By: ep_importer_pure
Deposited On: 26 Feb 2018 11:48
Refereed?: No
Published?: Published
Last Modified: 11 Feb 2020 09:18
URI: https://eprints.lancs.ac.uk/id/eprint/123682

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