| Issue |
EPL
Volume 110, Number 4, May 2015
|
|
|---|---|---|
| Article Number | 40007 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/110/40007 | |
| Published online | 15 June 2015 | |
Towards AC-induced optimum control of dynamical localization
1 Grupo de Sistemas Complejos, Escuela Técnica Superior de Ingenieros Agrónomos, Universidad Politécnica de Madrid - Avda. Complutense s/n, 28040 Madrid, Spain
2 Instituto de Ciencias Matemáticas (ICMAT) - Cantoblanco, 28049 Madrid, Spain
3 Departamento de Física Aplicada, Escuela de Ingenierías Industriales, Universidad de Extremadura Apartado Postal 382, 06006 Badajoz, Spain
4 Instituto de Computación Científica Avanzada, Universidad de Extremadura - Apartado Postal 382, 06006 Badajoz, Spain
5 Departamento de Química, Universidad Autónoma de Madrid - Cantoblanco, 28049 Madrid, Spain
Received: 27 February 2015
Accepted: 20 May 2015
It is shown that dynamical localization (quantum suppression of classical diffusion) in the context of ultracold atoms in periodically shaken optical lattices subjected to time-periodic modulations having equidistant zeros depends on the impulse transmitted by the external modulation over half-period rather than on the modulation amplitude. This result provides a useful principle for optimally controlling dynamical localization in general periodic systems, which is capable of experimental realization.
PACS: 05.45.Mt – Quantum chaos; semiclassical methods / 42.50.Wk – Mechanical effects of light on material media, microstructures and particles
© EPLA, 2015
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