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Robustness of Flat Bands on the Perturbed Kagome and the Perturbed Super-Kagome Lattice
We study spectral properties of perturbed discrete Laplacians on two-dimensional Archimedean tilings. The perturbation manifests itself in the...
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Unconventional charge order and superconductivity in kagome-lattice systems as seen by muon-spin rotation
Kagome lattices are intriguing and rich platforms for studying the intertwining of topology, electron correlation, and magnetism. These materials...
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Spectral evidence for Dirac spinons in a kagome lattice antiferromagnet
Emergent quasiparticles with a Dirac dispersion in condensed matter systems can be described by the Dirac equation for relativistic electrons, in...
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Observation of anomalous Hall resonance of massive Dirac fermions in topological kagome-lattice magnet
The kagome-lattice materials promise emergence of Dirac fermions thanks to the special lattice geometry, which potentially realizes intriguing...
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Topological flat bands in a kagome lattice multiorbital system
Flat bands and dispersive Dirac bands are known to coexist in the electronic bands in a two-dimensional kagome lattice. Including the relativistic...
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Charge order in the kagome lattice Holstein model: a hybrid Monte Carlo study
The Holstein model is a paradigmatic description of the electron-phonon interaction, in which electrons couple to local dispersionless phonon modes,...
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Lattice-commensurate skyrmion texture in a centrosymmetric breathing kagome magnet
Skyrmion lattices (SkL) in centrosymmetric materials typically have a magnetic period on the nanometer-scale, so that the coupling between magnetic...
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Quantum states and intertwining phases in kagome materials
In solid materials, non-trivial topological states, electron correlations and magnetism are central ingredients for realizing quantum properties,...
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Magnetism and charge density wave order in kagome FeGe
Electron correlations often lead to emergent orders in quantum materials, and one example is the kagome lattice materials where topological states...
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Fermi-level flat band in a kagome magnet
The band structure in a kagome lattice can naturally exhibit flat band, Dirac cones, and van Hove singularity, enabling rich interplays between...
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Nature of charge density wave in kagome metal ScV6Sn6
Recently, kagome lattice materials have emerged as a new model material platform for discovering and engineering novel quantum phases of matter. In...
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Emergence of the spin polarized domains in the kagome lattice Heisenberg antiferromagnet Zn-barlowite (Zn0.95Cu0.05)Cu3(OD)6FBr
Kagome lattice Heisenberg antiferromagnets are known to be highly sensitive to perturbations caused by the structural disorder. NMR is a local probe...
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Electronic nematicity without charge density waves in titanium-based kagome metal
Layered crystalline materials that consist of transition metal atoms on a kagome network have emerged as a versatile platform for the study of...
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One-ninth magnetization plateau stabilized by spin entanglement in a kagome antiferromagnet
The spin-1/2 antiferromagnetic Heisenberg model on a kagome lattice is geometrically frustrated, which is expected to promote the formation of...
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Spin excitations in metallic kagome lattice FeSn and CoSn
In two-dimensional (2D) metallic kagome lattice materials, destructive interference of electronic hop** pathways around the kagome bracket can...
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Detailed analysis of topological edge and corner states in valley-Hall-like photonic Kagome insulators
Valley-Hall-like second-order photonic topological insulators in Kagome-lattice photonic crystals with C 3v point-group symmetry are elaborately...
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Anisotropic magnetism and band evolution induced by ferromagnetic phase transition in titanium-based kagome ferromagnet SmTi3Bi4
Kagome magnets with diverse topological quantum responses are crucial for next-generation topological engineering. The anisotropic magnetism and band...
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CrRhAs: a member of a large family of metallic kagome antiferromagnets
Kagome lattice materials are an important platform for highly frustrated magnetism as well as for a plethora of phenomena resulting from flat bands,...
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Discrete degeneracies distinguished by the anomalous Hall effect in a metallic kagome ice compound
In magnetic crystals, despite the explicit breaking of time-reversal symmetry, two equilibrium states related by time reversal are always...
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Coherent phonon and unconventional carriers in the magnetic kagome metal Fe3Sn2
Temperature- and fluence-dependent carrier dynamics of the magnetic kagome metal Fe 3 Sn 2 were studied using the ultrafast optical pump-probe...
