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 …

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 …

Charge density waves and electronic properties of superconducting kagome metals

H Tan, Y Liu, Z Wang, B Yan - Physical review letters, 2021 - APS
Kagome metals AV 3 Sb 5 (A= K, Rb, and Cs) exhibit intriguing superconductivity below
0.9∼ 2.5 K, a charge density wave (CDW) transition around 80∼ 100 K, and Z 2 topological …

Double Superconducting Dome and Triple Enhancement of in the Kagome Superconductor under High Pressure

KY Chen, NN Wang, QW Yin, YH Gu, K Jiang, ZJ Tu… - Physical Review Letters, 2021 - APS
CsV 3 Sb 5 is a newly discovered Z 2 topological kagome metal showing the coexistence of
a charge-density-wave (CDW)-like order at T*= 94 K and superconductivity (SC) at T c= 2.5 …

Observation of Unconventional Charge Density Wave without Acoustic Phonon Anomaly in Kagome Superconductors (, Cs)

H Li, TT Zhang, T Yilmaz, YY Pai, CE Marvinney… - Physical Review X, 2021 - APS
The combination of nontrivial band topology and symmetry-breaking phases gives rise to
novel quantum states and phenomena such as topological superconductivity, quantum …

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 …