Title :

Suppression of decoherence effects in the quantum kicked rotor

Author(s) :

Lepers, Maxence [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Zehnlé, Véronique [Auteur]
Centre d'Etudes et de Recherches Lasers et Applications [CERLA]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Garreau, Jean-Claude [Auteur]
Centre d'Etudes et de Recherches Lasers et Applications [CERLA]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]

Journal title :

Physical Review A : Atomic, molecular, and optical physics [1990-2015]

Pages :

062132

Publisher :

American Physical Society

Publication date :

2010-06-30

ISSN :

1050-2947

English keyword(s) :

Kicked rotor
decoherence
cold atoms
quantum chaos
dynamical localization

HAL domain(s) :

Physique [physics]/Physique Quantique [quant-ph]
Physique [physics]/Matière Condensée [cond-mat]/Autre [cond-mat.other]
Science non linéaire [physics]/Dynamique Chaotique [nlin.CD]

English abstract : [en]

We describe a method allowing transient suppression of decoherence effects on the atom-optics realization of the kicked rotor. The system is prepared in an initial state with a momentum distribution concentrated in an ...
Show more >We describe a method allowing transient suppression of decoherence effects on the atom-optics realization of the kicked rotor. The system is prepared in an initial state with a momentum distribution concentrated in an interval much sharper than the Brillouin zone; the measure of the momentum distribution is restricted to this interval of quasimomenta: As most of the atoms undergoing decoherence processes fall outside this detection range and thus are not detected, the measured signal is effectively decoherence-free.Show less >

Language :

Anglais

Popular science :

Non

Comment :

5 pages, 4 figures, revtex 4, submitted to PRL

Collections :

• Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523

Source :

Harvested from HAL