Band structure engineering and non-equilibrium dynamics in Floquet topological insulators

MS Rudner, NH Lindner - Nature reviews physics, 2020 - nature.com
Non-equilibrium topological phenomena can be induced in quantum many-body systems
using time-periodic fields (for example, by laser or microwave illumination). This Review …

Tools for quantum simulation with ultracold atoms in optical lattices

F Schäfer, T Fukuhara, S Sugawa, Y Takasu… - Nature Reviews …, 2020 - nature.com
After many years of development of the basic tools, quantum simulation with ultracold atoms
has now reached the level of maturity at which it can be used to investigate complex …

Topological bands for ultracold atoms

NR Cooper, J Dalibard, IB Spielman - Reviews of modern physics, 2019 - APS
There have been significant recent advances in realizing band structures with geometrical
and topological features in experiments on cold atomic gases. This review summarizes …

Realization of an anomalous Floquet topological system with ultracold atoms

K Wintersperger, C Braun, FN Ünal, A Eckardt… - Nature Physics, 2020 - nature.com
Coherent control via periodic modulation, also known as Floquet engineering, has emerged
as a powerful experimental method for the realization of novel quantum systems with exotic …

Tailoring quantum gases by Floquet engineering

C Weitenberg, J Simonet - Nature Physics, 2021 - nature.com
Floquet engineering is the concept of tailoring a system by a periodic drive, and it is
increasingly employed in many areas of physics. Ultracold atoms in optical lattices offer a …

Quantum complexity and topological phases of matter

P Caputa, S Liu - Physical Review B, 2022 - APS
In this work, we find that the complexity of quantum many-body states, defined as a spread in
the Krylov basis, may serve as a probe that distinguishes topological phases of matter. We …

Observation of dynamical vortices after quenches in a system with topology

N Fläschner, D Vogel, M Tarnowski, BS Rem… - Nature Physics, 2018 - nature.com
Topological phases constitute an exotic form of matter characterized by non-local properties
rather than local order parameters. The paradigmatic Haldane model on a hexagonal lattice …

Identifying quantum phase transitions using artificial neural networks on experimental data

BS Rem, N Käming, M Tarnowski, L Asteria… - Nature Physics, 2019 - nature.com
Abstract Machine-learning techniques such as artificial neural networks are currently
revolutionizing many technological areas and have also proven successful in quantum …

Realization of an ideal Weyl semimetal band in a quantum gas with 3D spin-orbit coupling

ZY Wang, XC Cheng, BZ Wang, JY Zhang, YH Lu… - Science, 2021 - science.org
Weyl semimetals are three-dimensional (3D) gapless topological phases with Weyl cones in
the bulk band. According to lattice theory, Weyl cones must come in pairs, with the minimum …

[HTML][HTML] Artificial gauge fields in materials and engineered systems

M Aidelsburger, S Nascimbene, N Goldman - Comptes Rendus Physique, 2018 - Elsevier
Artificial gauge fields are currently realized in a wide range of physical settings. This
includes solid-state devices but also engineered systems, such as photonic crystals …