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ULTRACOLD ATOMS

Kicked rotors back in action

A quantum rotor periodically kicked stops absorbing energy after a certain time and enters into a localized regime. Two experiments with cold atoms have now shown how many-body interactions can suppress dynamical localization.

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Fig. 1: Delocalization in a many-body quantum kicked rotor.

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Correspondence to Jakub Zakrzewski.

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Zakrzewski, J. Kicked rotors back in action. Nat. Phys. 18, 1269–1270 (2022). https://doi.org/10.1038/s41567-022-01738-1

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