Observation of Dynamical Localization in Atomic Momentum Transfer: A New Testing Ground for Quantum Chaos
- 28 November 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 73 (22) , 2974-2977
- https://doi.org/10.1103/physrevlett.73.2974
Abstract
We report a direct observation of dynamical localization. This effect is a quantum suppression of diffusion in a system that is classically chaotic. Our experiment measures the momentum transferred from a modulated standing wave of a near-resonant laser to a sample of ultracold atoms and is a realization of a periodically driven rotor. The conceptual simplicity and experimental control over the time dependent Hamiltonian make this system an ideal testing ground for the predictions of quantum chaos.Keywords
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