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Three-dimensional localization of ultracold atoms in an optical disordered potential

Fred Jendrzejewski 1 Alain Bernard 1 Killian Mueller 1 Patrick Cheinet 1 Vincent Josse 1 Marie Piraud 1 Luca Pezzé 1 Laurent Sanchez-Palencia 1 Alain Aspect 1 Philippe Bouyer 2, 1 
1 Laboratoire Charles Fabry / Optique atomique
LCF - Laboratoire Charles Fabry
2 lp2n-02,lp2n-11
LP2N - Laboratoire Photonique, Numérique et Nanosciences
Abstract : We report a study of three-dimensional (3D) localization of ultracold atoms suspended against gravity, and released in a 3D optical disordered potential with short correlation lengths in all directions. We observe density profiles composed of a steady localized part and a diffusive part. Our observations are compatible with the self-consistent theory of Anderson localization, taking into account the specific features of the experiment, and in particular the broad energy distribution of the atoms placed in the disordered potential. The localization we observe cannot be interpreted as trapping of particles with energy below the classical percolation threshold.
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Submitted on : Wednesday, May 2, 2012 - 3:37:47 PM
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  • HAL Id : hal-00612680, version 4
  • ARXIV : 1108.0137

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Fred Jendrzejewski, Alain Bernard, Killian Mueller, Patrick Cheinet, Vincent Josse, et al.. Three-dimensional localization of ultracold atoms in an optical disordered potential. Nature Physics, Nature Publishing Group, 2012, 8, pp.398-403. ⟨hal-00612680v4⟩

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