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From dynamical localization to bunching in interacting Floquet systems

Baum, Yuval and van Nieuwenburg, Evert P. L. and Refael, Gil (2018) From dynamical localization to bunching in interacting Floquet systems. SciPost Physics, 5 . Art. No. 017. ISSN 2542-4653. doi:10.21468/SciPostPhys.5.2.017.

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We show that a quantum many-body system may be controlled by means of Floquet engineering, i.e., their properties may be controlled and manipulated by employing periodic driving. We present a concrete driving scheme that allows control over the nature of mobile units and the amount of diffusion in generic many-body systems. We demonstrate these ideas for the Fermi-Hubbard model, where the drive renders doubly occupied sites (doublons) the mobile excitations in the system. In particular, we show that the amount of diffusion in the system and the level of fermion-pairing may be controlled and understood solely in terms of the doublon dynamics. We find that under certain circumstances the diffusion in the system may be eliminated completely. We conclude our work by generalizing these ideas to generic many-body systems.

Item Type:Article
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URLURL TypeDescription Paper
van Nieuwenburg, Evert P. L.0000-0003-0323-0031
Additional Information:© 2018 Y. Baum et al. This work is licensed under the Creative Commons Attribution 4.0 International License. Published by the SciPost Foundation. Received 07-03-2018; Accepted 31-07-2018; Published 16-08-2018. E.v.N. gratefully acknowledges financial support from the Swiss National Science Foundation through grant P2EZP2-172185. G.R. is grateful to the NSF for funding through the grant DMR-1040435 as well as the Packard Foundation. We are grateful for support from the IQIM, an NSF physics frontier center funded in part by the Moore Foundation.
Group:Institute for Quantum Information and Matter
Funding AgencyGrant Number
Swiss National Science Foundation (SNSF)P2EZP2-172185
David and Lucile Packard FoundationUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Record Number:CaltechAUTHORS:20180620-195305259
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:87291
Deposited By: Joy Painter
Deposited On:21 Jun 2018 15:57
Last Modified:15 Nov 2021 20:46

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