SciPost Submission Page
From Dynamical Localization to Bunching in interacting Floquet Systems
by Yuval Baum, Evert P. L. van Nieuwenburg, Gil Refael
Submission summary
| Authors (as registered SciPost users): | Everard van Nieuwenburg |
| Submission information | |
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| Preprint Link: | https://arxiv.org/abs/1802.08262v4 (pdf) |
| Date accepted: | July 31, 2018 |
| Date submitted: | July 21, 2018, 2 a.m. |
| Submitted by: | Everard van Nieuwenburg |
| Submitted to: | SciPost Physics |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| Approach: | Theoretical |
Abstract
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.
Published as SciPost Phys. 5, 017 (2018)