Non-Abelian Floquet braiding and anomalous Dirac string phase in periodically driven systems

RJ Slager, A Bouhon, FN Ünal - Nature Communications, 2024 - nature.com
While a significant fraction of topological materials has been characterized using symmetry
requirements,,–, the past two years have witnessed the rise of novel multi-gap dependent …

Real-space detection and manipulation of topological edge modes with ultracold atoms

C Braun, R Saint-Jalm, A Hesse, J Arceri, I Bloch… - Nature Physics, 2024 - nature.com
The bulk–boundary correspondence, a fundamental principle relating the topological
invariants of the bulk to the presence of edge states, is modified in periodically driven …

Floquet topological phase transitions induced by uncorrelated or correlated disorder

JH Zheng, A Dutta, M Aidelsburger, W Hofstetter - Physical Review B, 2024 - APS
The impact of weak disorder and its spatial correlation on the topology of a Floquet system is
not well understood so far. In this study, we investigate a model closely related to a two …

Ultracold atoms pushed to the edge

L Asteria, FN Ünal - Nature Physics, 2024 - nature.com
Ultracold atoms pushed to the edge | Nature Physics Skip to main content Thank you for visiting
nature.com. You are using a browser version with limited support for CSS. To obtain the best …

Diagnosing quantum transport from wave function snapshots

DS Bhakuni, R Verdel, C Muzzi, R Andreoni… - Physical Review B, 2024 - APS
We study nonequilibrium quantum dynamics of spin chains by employing principal
component analysis on data sets of wave function snapshots and examine how information …

Individually tunable tunnelling coefficients in optical lattices using local periodic driving

GM Nixon, FN Ünal, U Schneider - Quantum Science and …, 2024 - iopscience.iop.org
Ultracold atoms in optical lattices have emerged as powerful quantum simulators of
translationally invariant systems with many applications in eg strongly-correlated and …

Anomalous multi-gap topological phases in periodically driven quantum rotors

V Karle, M Lemeshko, A Bouhon, RJ Slager… - arXiv preprint arXiv …, 2024 - arxiv.org
We demonstrate that periodically driven quantum rotors provide a promising and broadly
applicable platform to implement multi-gap topological phases, where groups of bands can …