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 …

Kagome superconductors AV3Sb5 (A = K, Rb, Cs)

K Jiang, T Wu, JX Yin, Z Wang, MZ Hasan… - National Science …, 2023 - academic.oup.com
The quasi-two-dimensional kagome materials AV3Sb5 (A= K, Rb, Cs) were found to be a
prime example of kagome superconductors, a new quantum platform to investigate the …

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 …

Unconventional chiral charge order in kagome superconductor KV3Sb5

YX Jiang, JX Yin, MM Denner, N Shumiya, BR Ortiz… - Nature materials, 2021 - nature.com
Intertwining quantum order and non-trivial topology is at the frontier of condensed matter
physics,,–. A charge-density-wave-like order with orbital currents has been proposed for …

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 …

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 …

Quantum-limit Chern topological magnetism in TbMn6Sn6

JX Yin, W Ma, TA Cochran, X Xu, SS Zhang, HJ Tien… - Nature, 2020 - nature.com
The quantum-level interplay between geometry, topology and correlation is at the forefront of
fundamental physics,,,,,,,,,,,,,–. Kagome magnets are predicted to support intrinsic Chern …

Chiral flux phase in the Kagome superconductor AV3Sb5

X Feng, K Jiang, Z Wang, J Hu - Science bulletin, 2021 - Elsevier
We argue that the topological charge density wave phase in the quasi-2D Kagome
superconductor AV 3 Sb 5 is a chiral flux phase. Considering the symmetry of the Kagome …

Rotation symmetry breaking in the normal state of a kagome superconductor KV3Sb5

H Li, H Zhao, BR Ortiz, T Park, M Ye, L Balents… - Nature Physics, 2022 - nature.com
Recently discovered superconductors A V3Sb5 (A= K, Rb, Cs), provide a fresh opportunity to
study correlation-driven electronic phenomena on a kagome lattice. The observation of an …

Dirac fermions and flat bands in the ideal kagome metal FeSn

M Kang, L Ye, S Fang, JS You, A Levitan, M Han… - Nature materials, 2020 - nature.com
A kagome lattice of 3 d transition metal ions is a versatile platform for correlated topological
phases hosting symmetry-protected electronic excitations and magnetic ground states …