Scientific article
English

Observation of many-body dynamical localization

Published inScience, vol. 389, no. 6761, p. 716-719
Publication date2025-08-14
Abstract

The quantum kicked rotor is a paradigmatic model system in quantum physics. As a driven quantum system, it features dynamical localization, specifically Anderson localization in momentum space. However, the interacting many-body kicked rotor is believed to break localization. Here, we present evidence for many-body dynamical localization for the Lieb-Liniger version of the many-body quantum kicked rotor. After some initial evolution, the momentum distribution of interacting quantum-degenerate bosonic atoms in one-dimensional geometry, kicked hundreds of times by means of a pulsed sinusoidal potential, stops spreading. Our results shed light on the boundary between the classical, chaotic world and the realm of quantum physics.

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Citation (ISO format)
GUO, Yanliang et al. Observation of many-body dynamical localization. In: Science, 2025, vol. 389, n° 6761, p. 716–719. doi: 10.1126/science.adn8625
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Additional URL for this publicationhttps://www.science.org/doi/10.1126/science.adn8625
Journal ISSN0036-8075
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