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 …

Topological and geometrical aspects of band theory

J Cayssol, JN Fuchs - Journal of Physics: Materials, 2021 - iopscience.iop.org
This paper provides a pedagogical introduction to recent developments in geometrical and
topological band theory following the discovery of graphene and topological insulators …

Non-Hermitian topological invariants in real space

F Song, S Yao, Z Wang - Physical review letters, 2019 - APS
The topology of non-Hermitian systems is drastically shaped by the non-Hermitian skin
effect, which leads to the generalized bulk-boundary correspondence and non-Bloch band …

Experimental observation of anomalous topological edge modes in a slowly driven photonic lattice

S Mukherjee, A Spracklen, M Valiente… - Nature …, 2017 - nature.com
Topological quantum matter can be realized by subjecting engineered systems to time-
periodic modulations. In analogy with static systems, periodically driven quantum matter can …

Observation of the topological Anderson insulator in disordered atomic wires

EJ Meier, FA An, A Dauphin, M Maffei, P Massignan… - Science, 2018 - science.org
Topology and disorder have a rich combined influence on quantum transport. To probe their
interplay, we synthesized one-dimensional chiral symmetric wires with controllable disorder …

Amorphous topological insulators constructed from random point sets

NP Mitchell, LM Nash, D Hexner, AM Turner… - Nature Physics, 2018 - nature.com
The discovery that the band structure of electronic insulators may be topologically non-trivial
has revealed distinct phases of electronic matter with novel properties,. Recently …

Probing chiral edge dynamics and bulk topology of a synthetic Hall system

T Chalopin, T Satoor, A Evrard, V Makhalov… - Nature Physics, 2020 - nature.com
Quantum Hall systems are characterized by quantization of the Hall conductance—a bulk
property rooted in the topological structure of the underlying quantum states. In condensed …

Surfaces of axion insulators

N Varnava, D Vanderbilt - Physical Review B, 2018 - APS
Axion insulators are magnetic topological insulators in which the nontrivial Z 2 index is
protected by inversion symmetry instead of time-reversal symmetry. The naturally gapped …

Anomalous topological waves in strongly amorphous scattering networks

Z Zhang, P Delplace, R Fleury - Science Advances, 2023 - science.org
Topological insulators are crystalline materials that have revolutionized our ability to control
wave transport. They provide us with unidirectional channels that are immune to obstacles …

Hyperbolic topological band insulators

DM Urwyler, PM Lenggenhager, I Boettcher… - Physical Review Letters, 2022 - APS
Recently, hyperbolic lattices that tile the negatively curved hyperbolic plane emerged as a
new paradigm of synthetic matter, and their energy levels were characterized by a band …