Physics – Quantum Physics
Scientific paper
2004-01-24
Physics
Quantum Physics
5 pages, 3 figures, submitted to PRL
Scientific paper
Subtle internal interference effects allow quantum-chaotic systems to display "sub-Fourier" resonances, i.e. to distinguish two neighboring driving frequencies in a time shorter than the inverse of the difference of the two frequencies. We report experiments on the atomic version of the kicked rotor showing the unusual properties of the sub-Fourier resonances, and develop a theoretical approach (based on the Floquet theorem) explaining these properties, and correctly predicting the widths and lineshapes.
Delande Dominique
Garreau Jean Claude
Lignier Hans
Szriftgiser Pascal
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