| Issue |
EPL
Volume 79, Number 6, September 2007
|
|
|---|---|---|
| Article Number | 60006 | |
| Number of page(s) | 4 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/79/60006 | |
| Published online | 29 August 2007 | |
Short-time energies in the atom optics kicked rotor
Department of Physics, University of Auckland - Private Bag 92019, Auckland, New Zealand
Received:
13
April
2007
Accepted:
2
August
2007
We experimentally verify the analytical expressions that exist for the diffusion rate in the quantum delta kicked rotor system for small numbers of kicks. We show development of diffusion resonances from two to five kicks, and of multiple resonances for high kick strengths. Furthermore, we show that, in contrast to classical predictions, the results are purely periodic in the kick period, and reproduce the predicted quantum and diffusion resonances.
PACS: 05.45.Mt – Quantum chaos; semiclassical methods / 32.80.Lg – Mechanical effects of light on atoms, molecules, and ions
© Europhysics Letters Association, 2007
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