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-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 …

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 …

Nodeless electron pairing in CsV3Sb5-derived kagome superconductors

Y Zhong, J Liu, X Wu, Z Guguchia, JX Yin, A Mine, Y Li… - Nature, 2023 - nature.com
The newly discovered kagome superconductors represent a promising platform for
investigating the interplay between band topology, electronic order and lattice geometry …

Order-disorder charge density wave instability in the kagome metal (Cs,Rb)V3Sb5

D Subires, A Korshunov, AH Said, L Sánchez… - Nature …, 2023 - nature.com
The origin of the charge density wave phases in the kagome metal compound AV3Sb5 is
still under great scrutiny. Here, we combine diffuse and inelastic x-ray scattering to identify a …

Observation of anomalous amplitude modes in the kagome metal CsV3Sb5

G Liu, X Ma, K He, Q Li, H Tan, Y Liu, J Xu… - Nature …, 2022 - nature.com
The kagome lattice provides a fertile platform to explore novel symmetry-breaking states.
Charge-density wave (CDW) instabilities have been recently discovered in a new kagome …

Loop currents in kagome metals: Multipolar and toroidal magnetic orders

MH Christensen, T Birol, BM Andersen, RM Fernandes - Physical Review B, 2022 - APS
Experiments in the recently discovered vanadium-based kagome metals have suggested
that their charge-ordered state displays not only bond distortions, characteristic of a “real” …

Nodeless Superconductivity in Kagome Metal CsV3Sb5 with and without Time Reversal Symmetry Breaking

W Zhang, X Liu, L Wang, CW Tsang, Z Wang… - Nano Letters, 2023 - ACS Publications
The kagome metal CsV3Sb5 features an unusual competition between the charge-density-
wave (CDW) order and superconductivity. Evidence for time reversal symmetry breaking …

Quantum states and intertwining phases in kagome materials

Y Wang, H Wu, GT McCandless, JY Chan… - Nature Reviews …, 2023 - nature.com
Abstracts In solid materials, non-trivial topological states, electron correlations and
magnetism are central ingredients for realizing quantum properties, including …