CE30 - Physique de la matière condensée et de la matière diluée

MANY body LOcalisation with the Kicked rotor – MANYLOK

Development in particular of fiber lasers based on optical telecommunications technology.

1. Experimental realization of an ideal Floquet disordered system, C. Hainaut, A. Rançon, JF Clément, I. Manai1, P. Szriftgiser, D. Delande, JC Garreau and R. Chicireanu, New J. Phys. 21, 035008 (2019).
2. Dynamics of the mean-field-interacting quantum kicked rotor Samuel Lellouch, Adam Rançon, Stephan De Bièvre, Dominique Delande, and Jean Claude Garreau, Phys. Rev. A 101, 043624 (2020).
3. Bogoliubov excitations in the quasiperiodic kicked rotor: Stability of a kicked condensate and the quasi-insulator-to-metal transition, Benoît Vermersch, Dominique Delande and Jean Claude Garreau, Phys. Rev. A 101, 053625 (2020)


6 Publications.

Submission summary

The study of Many-Body Localization (MBL) in a highly controlled environment is at the heart of this project. MBL is the inhibition of transport in a many-body interacting system in the presence of a strong disorder. It is the analog for interacting particles of Anderson localization in a single-particle disordered system. The project focuses on open problems for MBL, such as the nature of the MBL-delocalized transition and the expected discovery of a many-body mobility edge. We plan to use a kicked rotor with interacting ultracold Potassium atoms. This system is ideal to finely probe in situ localization effects with high-end tools such as Coherent Back/Forward Scattering processes. It also easily allows the on-demand synthesis of arbitrary dimensions and symmetry properties. To keep a constant atomic density, the ultracold gas will be trapped in a torus shape, thus realizing a kicked rotor with periodic boundary conditions.

Project coordinator

Monsieur Pascal Szriftgiser (Physique des lasers, atomes et molécules)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


PhLAM Physique des lasers, atomes et molécules
LKB Laboratoire Kastler Brossel

Help of the ANR 467,800 euros
Beginning and duration of the scientific project: December 2018 - 48 Months

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