Article Dans Une Revue Physical Review Letters Année : 2015

Suppression and Revival of Weak Localization through Control of Time-Reversal Symmetry

Résumé

We report on the observation of suppression and revival of coherent backscattering of ultracold atoms launched in an optical disorder in a quasi-2D geometry and submitted to a short dephasing pulse, as proposed by Micklitz, Müller, and Altland [Phys. Rev. B 91, 064203 (2015)]. This observation demonstrates a novel and general method to study weak localization by manipulating time reversal symmetry in disordered systems. In future experiments, this scheme could be extended to investigate higher order localization processes at the heart of Anderson (strong) localization.

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hal-01205476 , version 1 (15-02-2019)

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Kilian Müller, Jérémie Richard, Valentin V. Volchkov, Vincent Denechaud, Philippe Bouyer, et al.. Suppression and Revival of Weak Localization through Control of Time-Reversal Symmetry. Physical Review Letters, 2015, 114, pp.205301. ⟨10.1103/PhysRevLett.114.205301⟩. ⟨hal-01205476⟩
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