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From Dynamical Localization to Bunching in interacting Floquet Systems

by Yuval Baum, Evert P. L. van Nieuwenburg, Gil Refael

Submission summary

As Contributors: Everard van Nieuwenburg
Arxiv Link:
Date submitted: 2018-03-07
Submitted by: van Nieuwenburg, Everard
Submitted to: SciPost Physics
Domain(s): Theoretical
Subject area: Quantum Physics


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.

Current status:

Editor-in-charge assigned, manuscript under review

Submission & Refereeing History

Submission 1802.08262v2 (7 March 2018)

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