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 …

Charge order and superconductivity in kagome materials

T Neupert, MM Denner, JX Yin, R Thomale, MZ Hasan - Nature Physics, 2022 - nature.com
Lattice geometry, topological electron behaviour and the competition between different
possible ground states all play a role in determining the properties of materials with a …

Charge-density-wave-driven electronic nematicity in a kagome superconductor

L Nie, K Sun, W Ma, D Song, L Zheng, Z Liang, P Wu… - Nature, 2022 - nature.com
Electronic nematicity, in which rotational symmetry is spontaneously broken by electronic
degrees of freedom, has been demonstrated as a ubiquitous phenomenon in correlated …

Three-state nematicity and magneto-optical Kerr effect in the charge density waves in kagome superconductors

Y Xu, Z Ni, Y Liu, BR Ortiz, Q Deng, SD Wilson, B Yan… - Nature physics, 2022 - nature.com
The kagome lattice provides a fascinating playground to study geometrical frustration,
topology and strong correlations. The newly discovered kagome metals AV3Sb5 (where A …

Discovery of charge density wave in a kagome lattice antiferromagnet

X Teng, L Chen, F Ye, E Rosenberg, Z Liu, JX Yin… - Nature, 2022 - nature.com
A hallmark of strongly correlated quantum materials is the rich phase diagram resulting from
competing and intertwined phases with nearly degenerate ground-state energies,. A well …

Emergent charge order in pressurized kagome superconductor CsV3Sb5

L Zheng, Z Wu, Y Yang, L Nie, M Shan, K Sun, D Song… - Nature, 2022 - nature.com
The discovery of several electronic orders in kagome superconductors AV3Sb5 (A means K,
Rb, Cs) provides a promising platform for exploring unprecedented emergent physics …

[HTML][HTML] Switchable chiral transport in charge-ordered kagome metal CsV3Sb5

C Guo, C Putzke, S Konyzheva, X Huang… - Nature, 2022 - nature.com
When electric conductors differ from their mirror image, unusual chiral transport coefficients
appear that are forbidden in achiral metals, such as a non-linear electric response known as …

A unique van Hove singularity in kagome superconductor CsV3-xTaxSb5 with enhanced superconductivity

Y Luo, Y Han, J Liu, H Chen, Z Huang, L Huai… - Nature …, 2023 - nature.com
Van Hove singularity (VHS) has been considered as a driving source for unconventional
superconductivity. A VHS in two-dimensional (2D) materials consists of a saddle point …

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 …

Electronic nature of charge density wave and electron-phonon coupling in kagome superconductor KV3Sb5

H Luo, Q Gao, H Liu, Y Gu, D Wu, C Yi, J Jia… - Nature …, 2022 - nature.com
Abstract The Kagome superconductors AV3Sb5 (A= K, Rb, Cs) have received enormous
attention due to their nontrivial topological electronic structure, anomalous physical …