Read article: Surface ‘signature’ could distinguish exotic topological insulators
Changes in the polarization of light reflecting off a material’s surface could indicate whether it is a higher-order topological insulator, say theorists
Read article: Quantum anomalous Hall insulator carries current in its interior, not just its edges
Unexpected electron transport behaviour shows how much we don’t know about topological materials, say physicists
Read article: Topological superconductor harbours unusual crystalline state
Discovery in uranium ditelluride could have implications for quantum matter research and topological quantum computing
Read article: Physicists measure electron’s ‘topological spin’
New work in kagome metals could advance our understanding of the physics of superconductors and other strongly correlated systems
Read article: Graphene’s ‘cousin’ makes a switchable topological insulator
A two-dimensional form of the element germanium could make electronics faster and more energy efficient
Read article: New type of quasiparticle emerges to tame quantum computing errors
The existence of so-called non-Abelian anyons has been reported by four independent teams, though plenty of challenges remain, writes Philip Ball
Read article: Geometric tensor measured in a superconducting quantum circuit
First measurement in a non-Abelian system will be useful for studies of complex systems, with implications for quantum computation and quantum simulation
Read article: Physicists measure the fine structure constant directly for the first time
New technique could lead to clearer tests of whether this fundamental constant is truly constant
Read article: A periodic table for topological materials
Materials that conduct electricity on their outsides, but not their insides, are surprisingly common, as Maia Vergniory and colleagues demonstrated
Read article: Weyl loops link up
Elaborate quantum structures have a novel topology and must be described using knot theory
