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Article Dans Une Revue Physical Review Letters Année : 2003

Chaotic filtering of moving atoms in pulsed optical lattices by control of dynamical localization

Résumé

We propose a mechanism for a velocity-selective device which would allow packets of cold atoms traveling in one direction through a pulsed optical lattice to pass undisturbed, while dispersing atoms traveling in the opposite direction. The mechanism is generic and straightforward: for a simple quantum kicked rotor pulsed with unequal periods, the quantum suppression of momentum diffusion (dynamical localization) yields momentum localization lengths L which are no longer isotropic, as in the standard case, but vary smoothly and controllably with initial momentum.
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Dates et versions

hal-00005679 , version 1 (31-05-2023)

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Thibaut Jonckheere, M.R. Isherwood, T.S. Monteiro. Chaotic filtering of moving atoms in pulsed optical lattices by control of dynamical localization. Physical Review Letters, 2003, 91 (25), pp.253003. ⟨10.1103/PhysRevLett.91.253003⟩. ⟨hal-00005679⟩
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