Topological kagome magnets and superconductors

JX Yin, B Lian, MZ Hasan - Nature, 2022‏ - nature.com
A kagome lattice naturally features Dirac fermions, flat bands and van Hove singularities in
its electronic structure. The Dirac fermions encode topology, flat bands favour correlated …

The magnetic genome of two-dimensional van der Waals materials

QH Wang, A Bedoya-Pinto, M Blei, AH Dismukes… - ACS …, 2022‏ - ACS Publications
Magnetism in two-dimensional (2D) van der Waals (vdW) materials has recently emerged as
one of the most promising areas in condensed matter research, with many exciting emerging …

Tutorial: a beginner's guide to interpreting magnetic susceptibility data with the Curie-Weiss law

S Mugiraneza, AM Hallas - Communications Physics, 2022‏ - nature.com
Magnetic susceptibility measurements are often the first characterization tool that
researchers turn to when beginning to assess the magnetic nature of a newly discovered …

Chiral spintronics

SH Yang, R Naaman, Y Paltiel, SSP Parkin - Nature Reviews Physics, 2021‏ - nature.com
As spins move through a chiral electric field, the resulting spin current can acquire chirality
through a spin–orbit interaction. Such spin currents are highly useful in creating spin–orbit …

Non-Abelian braiding of Fibonacci anyons with a superconducting processor

S Xu, ZZ Sun, K Wang, H Li, Z Zhu, H Dong, J Deng… - Nature Physics, 2024‏ - nature.com
Quantum many-body systems with a non-Abelian topological order can host anyonic
quasiparticles. It has been proposed that anyons could be used to encode and manipulate …

Quantum spin liquids

C Broholm, RJ Cava, SA Kivelson, DG Nocera… - Science, 2020‏ - science.org
BACKGROUND Years ago, Lev Landau taught us how to think about distinct phases of
matter through an order parameter that characterizes the symmetry-broken state relative to …

Concept and realization of Kitaev quantum spin liquids

H Takagi, T Takayama, G Jackeli, G Khaliullin… - Nature Reviews …, 2019‏ - nature.com
The Kitaev model is an exactly solvable S= 1/2 spin model on a 2D honeycomb lattice, in
which the spins fractionalize into Majorana fermions and form a topological quantum spin …

Topological magnons: A review

PA McClarty - Annual Review of Condensed Matter Physics, 2022‏ - annualreviews.org
At sufficiently low temperatures, magnetic materials often enter correlated phases hosting
collective, coherent magnetic excitations such as magnons or triplons. Drawing on the …

Planar thermal Hall effect of topological bosons in the Kitaev magnet α-RuCl3

P Czajka, T Gao, M Hirschberger, P Lampen-Kelley… - Nature Materials, 2023‏ - nature.com
The honeycomb magnet α-RuCl3 has attracted considerable interest because it is proximate
to the Kitaev Hamiltonian whose excitations are Majoranas and vortices. The thermal Hall …

Fractional statistics in anyon collisions

H Bartolomei, M Kumar, R Bisognin, A Marguerite… - Science, 2020‏ - science.org
Two-dimensional systems can host exotic particles called anyons whose quantum statistics
are neither bosonic nor fermionic. For example, the elementary excitations of the fractional …