Magnetic breakdown and spin-zero effect in quantum oscillations in kagome metal CsV3Sb5

KW Chen, G Zheng, D Zhang, A Chan, Y Zhu… - Communications …, 2023 - nature.com
In the recently discovered kagome metal CsV3Sb5, an intriguing proposal invoking a doped
Chern insulator state suggests the presence of small Chern Fermi pockets hosting …

Origin of anomalous magnetotransport in kagome superconductors (,Rb,Cs)

AE Koshelev, R Chapai, DY Chung, JF Mitchell… - Physical Review B, 2024 - APS
Multiple anomalous features in electronic spectra of metals with a kagome lattice structure—
van Hove singularities, Dirac points, and flat bands—imply that materials containing this …

Light-induced topological phase transition via nonlinear phononics in superconductor CsV3Sb5

R Tang, F Boi, YH Cheng - npj Quantum Materials, 2023 - nature.com
The recent observations of exotic quantum phenomena in AV3Sb5 (A= K, Rb, Cs) kagome
superconductors have attracted significant attention in materials physics. Here, we propose …

Quantum oscillations in kagome metals and

Z Rehfuss, C Broyles, D Graf, Y Li, H Tan, Z Zhao… - Physical Review …, 2024 - APS
We report quantum oscillation measurements on the kagome compounds ATi 3 Bi 5 (A= Rb,
Cs) in magnetic fields up to 41.5 T and temperatures down to 350 mK. In addition to the …

Three-dimensional higher-order saddle-point-induced flatbands in Co-based kagome metals

H Tan, Y Jiang, GT McCandless, JY Chan, B Yan - Physical Review Research, 2024 - APS
The saddle point (Van Hove singularity) exhibits a divergent density of states in two-
dimensional systems, leading to fascinating phenomena such as strong correlations and …

Quantum oscillations evidence for topological bands in kagome metal ScV6Sn6

G Zheng, Y Zhu, S Mozaffari, N Mao… - Journal of Physics …, 2024 - iopscience.iop.org
Metals with kagome lattice provide bulk materials to host both the flat-band and Dirac
electronic dispersions. A new family of kagome metals is recently discovered in AV 6 Sn 6 …

Origin of enhanced charge density wave in the kagome superconductor

J Song, T Han, Z Zhou, Q Mu, X Hou, Z Zhang, Y Tu… - Physical Review B, 2024 - APS
The topological kagome superconductor CsV 3 Sb 5 exhibits rich quantum phenomenology
of correlated electronic phases including unconventional charge order and …

Large Fermi surface in pristine kagome metal CsV3Sb5 and enhanced quasiparticle effective masses

W Zhang, TF Poon, CW Tsang… - Proceedings of the …, 2024 - National Acad Sciences
The kagome metal CsV 3 Sb 5 is an ideal platform to study the interplay between topology
and electron correlation. To understand the fermiology of CsV 3 Sb 5, intensive quantum …

Tuning the intrinsic spin Hall effect by charge density wave order in topological kagome metals

D Golovanova, H Tan, T Holder, B Yan - Physical Review B, 2023 - APS
Kagome metals are topological materials with a rich phase diagram featuring various charge
density wave orders and even unconventional superconductivity. However, little is still …

Quantum oscillations with topological phases in a kagome metal CsTiBi

Y Li, H Tan, B Yan - arxiv preprint arxiv:2307.04750, 2023 - arxiv.org
Quantum oscillations can reveal Fermi surfaces and their topology in solids and provide a
powerful tool for understanding transport and electronic properties. It is well established that …