Chemistry of quantum spin liquids
Quantum spin liquids are an exciting playground for exotic physical phenomena and
emergent many-body quantum states. The realization and discovery of quantum spin liquid …
emergent many-body quantum states. The realization and discovery of quantum spin liquid …
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 …
Higher-order topological insulators and semimetals on the breathing kagome and pyrochlore lattices
M Ezawa - Physical review letters, 2018 - APS
A second-order topological insulator in d dimensions is an insulator which has no d-1
dimensional topological boundary states but has d-2 dimensional topological boundary …
dimensional topological boundary states but has d-2 dimensional topological boundary …
Intriguing low-temperature phase in the antiferromagnetic kagome metal FeGe
The properties of kagome metals are governed by the interdependence of band topology
and electronic correlations resulting in remarkably rich phase diagrams. Here, we study the …
and electronic correlations resulting in remarkably rich phase diagrams. Here, we study the …
Magnetism of the kagome lattice antiferromagnet
For the paradigmatic frustrated spin-half Heisenberg antiferromagnet on the kagome lattice
we performed large-scale numerical investigations of thermodynamic functions by means of …
we performed large-scale numerical investigations of thermodynamic functions by means of …
Quantum spin liquids from a materials perspective
Quantum spin liquids are unique quantum states of matter predicted to arise in low-
dimensional, frustrated, and quantum magnetic systems. Compared with conventional …
dimensional, frustrated, and quantum magnetic systems. Compared with conventional …
Pinch-points to half-moons and up in the stars: The kagome skymap
Pinch point singularities, associated with flat band magnetic excitations, are tell-tale
signatures of Coulomb spin liquids. While their properties in the presence of quantum …
signatures of Coulomb spin liquids. While their properties in the presence of quantum …
Quantum paramagnetism in the decorated square-kagome antiferromagnet
The square-kagome lattice Heisenberg antiferromagnet is a highly frustrated Hamiltonian
whose material realizations have been scarce. We theoretically investigate the recently …
whose material realizations have been scarce. We theoretically investigate the recently …
Flat-band engineering in tight-binding models: Beyond the nearest-neighbor hop**
T Mizoguchi, M Udagawa - Physical Review B, 2019 - APS
In typical flat-band models, defined as nearest-neighbor tight-binding models, flat bands are
usually pinned to the special energies, such as top or bottom of dispersive bands, or band …
usually pinned to the special energies, such as top or bottom of dispersive bands, or band …
Topological phase transition and thermal Hall effect in kagome ferromagnets
We investigate a mechanism for phase transitions between topological magnon phases on
the breathing kagome lattice ferromagnets with Dzyaloshinskii-Moriya interaction, which is …
the breathing kagome lattice ferromagnets with Dzyaloshinskii-Moriya interaction, which is …