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 …

Progress and prospects in magnetic topological materials

BA Bernevig, C Felser, H Beidenkopf - Nature, 2022‏ - nature.com
Magnetic topological materials represent a class of compounds with properties that are
strongly influenced by the topology of their electronic wavefunctions coupled with the …

Colloquium: Quantum anomalous Hall effect

CZ Chang, CX Liu, AH MacDonald - Reviews of Modern Physics, 2023‏ - APS
The quantum Hall (QH) effect, quantized Hall resistance combined with zero longitudinal
resistance, is the characteristic experimental fingerprint of Chern insulators—topologically …

Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021‏ - APS
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

Roton pair density wave in a strong-coupling kagome superconductor

H Chen, H Yang, B Hu, Z Zhao, J Yuan, Y **ng, G Qian… - Nature, 2021‏ - nature.com
The transition metal kagome lattice materials host frustrated, correlated and topological
quantum states of matter,,,,,,,–. Recently, a new family of vanadium-based kagome metals …

Three-Dimensional Charge Density Wave and Surface-Dependent Vortex-Core States in a Kagome Superconductor

Z Liang, X Hou, F Zhang, W Ma, P Wu, Z Zhang, F Yu… - Physical Review X, 2021‏ - APS
The transition-metal-based kagome metals provide a versatile platform for correlated
topological phases hosting various electronic instabilities. While superconductivity is rare in …

Angle-resolved photoemission studies of quantum materials

JA Sobota, Y He, ZX Shen - Reviews of Modern Physics, 2021‏ - APS
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Magnetism and charge density wave order in kagome FeGe

X Teng, JS Oh, H Tan, L Chen, J Huang, B Gao, JX Yin… - Nature physics, 2023‏ - nature.com
Electron correlations often lead to emergent orders in quantum materials, and one example
is the kagome lattice materials where topological states exist in the presence of strong …

Cascade of correlated electron states in the kagome superconductor CsV3Sb5

H Zhao, H Li, BR Ortiz, SML Teicher, T Park, M Ye… - Nature, 2021‏ - nature.com
The kagome lattice of transition metal atoms provides an exciting platform to study electronic
correlations in the presence of geometric frustration and nontrivial band topology …

: A Topological Kagome Metal with a Superconducting Ground State

BR Ortiz, SML Teicher, Y Hu, JL Zuo, PM Sarte… - Physical Review Letters, 2020‏ - APS
Recently discovered alongside its sister compounds KV 3 Sb 5 and RbV 3 Sb 5, CsV 3 Sb 5
crystallizes with an ideal kagome network of vanadium and antimonene layers separated by …