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

Jonckheere, T; Isherwood, MR; Monteiro, TS; (2003) Chaotic filtering of moving atoms in pulsed optical lattices by control of dynamical localization. PHYS REV LETT , 91 (25) , Article 253003. 10.1103/PhysRevLett.91.253003. Green open access

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Abstract

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.

Type: Article
Title: Chaotic filtering of moving atoms in pulsed optical lattices by control of dynamical localization
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.91.253003
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.91.253003
Language: English
Additional information: © 2003 The American Physical Society
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/30469
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