Bulletin of the American Physical Society
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 68, Number 7
Monday–Friday, June 5–9, 2023; Spokane, Washington
Session X08: Quantum Phases in Optical Lattices III
8:00 AM–10:00 AM,
Friday, June 9, 2023
Room: 206 C
Chair: Kaden Hazzard, Rice
Abstract: X08.00002 : Effects of interaction in the kicked Auby-André-Harper model*
8:12 AM–8:24 AM
Presenter:
Toshihiko Shimasaki
(University of California, Santa Barbara)
Authors:
Toshihiko Shimasaki
(University of California, Santa Barbara)
Hasan Kondakci
(University of California Santa Barbara)
Yifei Bai
(University of California, Santa Barbara)
Jared E Pagett
(University of California, Santa Barbara)
Peter Dotti
(University of California, Santa Barbara)
Peter Tsung-Cheng
(Perimeter Institute)
Tarun Grover
(University of California, San Diego)
David M Weld
(UC Santa Barbara)
Ultracold atoms in a bichromatic lattice provide an excellent platform for the study of disordered systems, in particular naturally realizing the Aubry-André-Harper (AAH) model. We recently reported an experimental realization of the kicked Aubry-André-Harper model [1], wherein the pseudo-disorder potential in the AAH model is periodically pulsed. By utilizing a Floquet apodization technique, we explored the phase diagram of the kicked AAH model and observed a broad regime of anomalous transport. This talk will build on these results by elucidating the effects of the relative phase of the bichromatic lattice, interband heating, finite pulse widths, and, most importantly, interparticle interactions, all of which have the potential to alter the anomalous localization behavior.
[1] Shimasaki et al., arXiv:2203.09442
*We acknowledge support from the National Science Foundation (QLCI OMA-2016245), Air Force Office of Scientific Research (AFOSR FA9550-20-1-0240), and the Army Research Office (MURI W911NF-17-1-0323, W911NF-20-1-0294). D.M.W. and A.D. acknowledge support from the UCSB NSF Quantum Foundry through the Q-AMASE-i program (DMR-1906325). This material is based in part upon work supported by the U.S. Department of Energy, Office of Science, National Quantum Information Science Research Centers, Quantum Science Center.
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