Limits of topological protection under local periodic driving

Z Fedorova, C Jörg, C Dauer, F Letscher… - Light: Science & …, 2019 - nature.com
The bulk-edge correspondence guarantees that the interface between two topologically
distinct insulators supports at least one topological edge state that is robust against static …

Orbital Floquet engineering of exchange interactions in magnetic materials

S Chaudhary, D Hsieh, G Refael - Physical Review B, 2019 - APS
We present a scheme to control the spin-exchange interactions by manipulating the orbital
degrees of freedom using a periodic drive. We discuss two different protocols for orbital …

Nonequilibrium Floquet steady states of time-periodic driven Luttinger liquids

S Fazzini, P Chudzinski, C Dauer, I Schneider… - Physical Review Letters, 2021 - APS
Time-periodic driving facilitates a wealth of novel quantum states and quantum engineering.
The interplay of Floquet states and strong interactions is particularly intriguing, which we …

[HTML][HTML] Optical properties of periodically driven open nonequilibrium quantum systems

G Cabra, I Franco, M Galperin - The Journal of chemical physics, 2020 - pubs.aip.org
Characterization and control of matter by optical means is at the forefront of research both
due to fundamental insights and technological promise. Theoretical modeling of periodically …

Kapitza trap for ultracold atoms

J Jiang, E Bernhart, M Röhrle, J Benary, M Beck… - Physical Review Letters, 2023 - APS
We report on the experimental realization of a Kapitza trap for ultracold atoms. Using time-
periodic attractive and repulsive Gaussian potentials, we create an effective trap for ultracold …

Floquet-engineered pair and single-particle filters in the Fermi-Hubbard model

F Hübner, C Dauer, S Eggert, C Kollath, A Sheikhan - Physical Review A, 2022 - APS
We investigate the Fermi-Hubbard model with a Floquet-driven impurity in the form of a local
time-oscillating potential. For strong attractive interactions a stable formation of pairs is …

Remarkable negative differential resistance and perfect spin-filtering effects of the indium triphosphide (InP 3) monolayer tuned by electric and optical ways

S Zhang, Y Xie, Y Hu, X Niu, Y Wang - Physical Chemistry Chemical …, 2018 - pubs.rsc.org
Fully spin-polarized current and negative differential resistance (NDR) are two important
electronic transport properties for spintronic nanodevices based on two-dimensional …

Controlling ligand-mediated exchange interactions in periodically driven magnetic materials

S Chaudhary, A Ron, D Hsieh, G Refael - arXiv preprint arXiv:2009.00813, 2020 - arxiv.org
A periodic drive could alter the effective exchange interactions in magnetic materials. Here,
we explore how exchange pathways affect the effective interactions of periodically driven …

Momentum-resolved Floquet-engineered pair and single-particle filter in the Fermi-Hubbard model

F Hübner, C Dauer, S Eggert, C Kollath, A Sheikhan - Physical Review A, 2023 - APS
We investigate the transport properties of a Fermi-Hubbard chain with an impurity which is
formed by a site with a periodically modulated chemical potential. We determine the …

Engineering momentum profiles of cold-atom beams

DH Smith, AG Volosniev - Physical Review A, 2019 - APS
We describe a procedure for engineering beams of cold atoms by selectively draining
particles from a trapped gas based on momenta. Atoms escape through a filter potential that …