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

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arxiv 1904.09473 v3 pith:O652GM4W submitted 2019-04-20 cond-mat.dis-nn cond-mat.quant-gasquant-ph

classification cond-mat.dis-nncond-mat.quant-gasquant-ph
keywords localizationkickedquantumsystemclassicaldynamicalenergywill
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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 the 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-Linger model, the dynamical localization can persist.

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  1. Many-body dynamical localization in the kicked Bose-Hubbard chain

    cond-mat.quant-gas 2019-08 conditional novelty 7.0 of 10

    A kicked Bose-Hubbard chain at unit filling shows evidence of many-body dynamical localization: Floquet states violate eigenstate thermalization and the system avoids infinite-temperature heating for small hopping strengths.

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