Read article: Physicists close in on fractionally-charged electron mystery in graphene
Topological flat band may account for fractional quantum anomalous Hall effect recently observed in pentalayer moiré graphene
Read article: Spot the knot: using AI to untangle the topology of molecules
Solving a centuries-old mathematical puzzle could hold the key to understanding the function of many of the molecules of life
Read article: ‘Poor man’s Majoranas’ offer testbed for studying possible qubits
A new approach could put Majorana particles on track to become a novel qubit platform, but some scientists doubt the results’ validity
Read article: Heat capacity measurements reveal Majorana fermions
Researchers in Japan and Korea say they have found evidence for the existence of these elusive quasiparticles in the thermodynamic behaviour of a Kitaev magnet
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
