Topological kagome magnets and superconductors
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 …
its electronic structure. The Dirac fermions encode topology, flat bands favour correlated …
Quantum states and intertwining phases in kagome materials
Abstracts In solid materials, non-trivial topological states, electron correlations and
magnetism are central ingredients for realizing quantum properties, including …
magnetism are central ingredients for realizing quantum properties, including …
Nodeless electron pairing in CsV3Sb5-derived kagome superconductors
The newly discovered kagome superconductors represent a promising platform for
investigating the interplay between band topology, electronic order and lattice geometry …
investigating the interplay between band topology, electronic order and lattice geometry …
Softening of a flat phonon mode in the kagome ScV6Sn6
Geometrically frustrated kagome lattices are raising as novel platforms to engineer
correlated topological electron flat bands that are prominent to electronic instabilities. Here …
correlated topological electron flat bands that are prominent to electronic instabilities. Here …
Chiral kagome superconductivity modulations with residual Fermi arcs
Superconductivity involving finite-momentum pairing can lead to spatial-gap and pair-
density modulations, as well as Bogoliubov Fermi states within the superconducting gap …
density modulations, as well as Bogoliubov Fermi states within the superconducting gap …
Evidence for an odd-parity nematic phase above the charge-density-wave transition in a kagome metal
T Asaba, A Onishi, Y Kageyama, T Kiyosue, K Ohtsuka… - Nature Physics, 2024 - nature.com
The search for quantum states arising from the interplay between correlation, frustration and
topology is a central topic for condensed-matter physics. Recently discovered non-magnetic …
topology is a central topic for condensed-matter physics. Recently discovered non-magnetic …
Chern Fermi pocket, topological pair density wave, and charge-4e and charge-6e superconductivity in kagomé superconductors
S Zhou, Z Wang - Nature Communications, 2022 - nature.com
The recent discovery of novel charge density wave (CDW) and pair density wave (PDW) in
kagomé lattice superconductors A V3Sb5 (A= K, Rb, Cs) hints at unexpected time-reversal …
kagomé lattice superconductors A V3Sb5 (A= K, Rb, Cs) hints at unexpected time-reversal …
High Resolution Polar Kerr Effect Studies of : Tests for Time-Reversal Symmetry Breaking below the Charge-Order Transition
We report high resolution polar Kerr effect measurements on CsV 3 Sb 5 single crystals in
search of signatures of spontaneous time-reversal symmetry breaking below the charge …
search of signatures of spontaneous time-reversal symmetry breaking below the charge …
Small Fermi pockets intertwined with charge stripes and pair density wave order in a kagome superconductor
The kagome superconductor family AV 3 Sb 5 (A= Cs, K, Rb) emerged as an exciting
platform to study exotic Fermi surface instabilities. Here, we use spectroscopic-imaging …
platform to study exotic Fermi surface instabilities. Here, we use spectroscopic-imaging …
Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals
Charge density waves (CDWs) in kagome metals have been tied to many exotic
phenomena. Here, using spectroscopic-imaging scanning tunneling microscopy and angle …
phenomena. Here, using spectroscopic-imaging scanning tunneling microscopy and angle …