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Many-Body Dynamical Localization in a Kicked Lieb-Liniger Gas

TitleMany-Body Dynamical Localization in a Kicked Lieb-Liniger Gas
Publication TypeJournal Article
Year of Publication2020
AuthorsC. Rylands, E. B. Rozenbaum, V. Galitski, and R. Konik
JournalPhys. Rev. Lett.
Date Published04/2020
KeywordsQuantum Physics, Thermodynamics

The kicked rotor system is a textbook example of how classical and quantum dynamics can drastically differ. The energy of a classical particle confined to a ring and kicked periodically will increase linearly in time whereas in the quantum version the energy saturates after a finite number of kicks. The quantum system undergoes Anderson localization in angular-momentum space. Conventional wisdom says that in a many-particle system with short-range interactions the localization will be destroyed due to the coupling of widely separated momentum states. Here we provide evidence that for an interacting one-dimensional Bose gas, the Lieb-Liniger model, the dynamical localization can persist at least for an unexpectedly long time.