High-order Van Hove singularities and their connection to flat bands
The flattening of single-particle band structures plays an important role in the quest for novel
quantum states of matter owing to the crucial role of interactions. Recent advances in theory …
quantum states of matter owing to the crucial role of interactions. Recent advances in theory …
Emerging research landscape of altermagnetism
Magnetism is one of the largest, most fundamental, and technologically most relevant fields
of condensed-matter physics. Traditionally, two basic magnetic phases have been …
of condensed-matter physics. Traditionally, two basic magnetic phases have been …
Beyond conventional ferromagnetism and antiferromagnetism: A phase with nonrelativistic spin and crystal rotation symmetry
Recent series of theoretical and experimental reports have driven attention to time-reversal
symmetry-breaking spintronic and spin-splitting phenomena in materials with collinear …
symmetry-breaking spintronic and spin-splitting phenomena in materials with collinear …
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 …
Electronic instabilities of kagome metals: saddle points and Landau theory
We study electronic instabilities of a kagome metal with a Fermi energy close to saddle
points at the hexagonal Brillouin zone face centers. Using parquet renormalization group …
points at the hexagonal Brillouin zone face centers. Using parquet renormalization group …
Rich nature of Van Hove singularities in Kagome superconductor CsV3Sb5
The recently discovered layered kagome metals AV3Sb5 (A= K, Rb, Cs) exhibit diverse
correlated phenomena, which are intertwined with a topological electronic structure with …
correlated phenomena, which are intertwined with a topological electronic structure with …
Competition of Superconductivity and Charge Density Wave in Selective Oxidized Thin Flakes
The recently discovered layered kagome metals AV 3 Sb 5 (A= K, Rb, and Cs) with
vanadium kagome networks provide a novel platform to explore correlated quantum states …
vanadium kagome networks provide a novel platform to explore correlated quantum states …
Complex charge density waves at Van Hove singularity on hexagonal lattices: Haldane-model phase diagram and potential realization in the kagome metals AV 3 Sb …
We investigate how the real and imaginary charge density waves interplay at the Van Hove
singularity on the hexagonal lattices. A phenomenological analysis indicates the formation …
singularity on the hexagonal lattices. A phenomenological analysis indicates the formation …
Fermionic Monte Carlo study of a realistic model of twisted bilayer graphene
The rich phenomenology of twisted bilayer graphene (TBG) near the magic angle is
believed to arise from electron correlations in topological flat bands. An unbiased approach …
believed to arise from electron correlations in topological flat bands. An unbiased approach …
Tuning the Van Hove singularities in via pressure and do**
We investigate the electronic structure of the new family of kagome metals AV 3 Sb 5 (A= K,
Rb, Cs) using first-principles calculations. We analyze systematically the evolution of the van …
Rb, Cs) using first-principles calculations. We analyze systematically the evolution of the van …