Metal-insulator transitions
M Imada, A Fujimori, Y Tokura - Reviews of modern physics, 1998 - APS
Metal-insulator transitions are accompanied by huge resistivity changes, even over tens of
orders of magnitude, and are widely observed in condensed-matter systems. This article …
orders of magnitude, and are widely observed in condensed-matter systems. This article …
Angle-resolved photoemission studies of the cuprate superconductors
The last decade witnessed significant progress in angle-resolved photoemission
spectroscopy (ARPES) and its applications. Today, ARPES experiments with 2-meV energy …
spectroscopy (ARPES) and its applications. Today, ARPES experiments with 2-meV energy …
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 …
Emergence of New van Hove Singularities in the Charge Density Wave State of a Topological Kagome Metal
Quantum materials with layered kagome structures have drawn considerable attention due
to their unique lattice geometry, which gives rise to flat bands together with Dirac-like …
to their unique lattice geometry, which gives rise to flat bands together with Dirac-like …
Overdoping graphene beyond the van Hove singularity
P Rosenzweig, H Karakachian, D Marchenko… - Physical Review Letters, 2020 - APS
At very high doping levels the van Hove singularity in the π* band of graphene becomes
occupied and exotic ground states possibly emerge, driven by many-body interactions …
occupied and exotic ground states possibly emerge, driven by many-body interactions …
Flat bands in slightly twisted bilayer graphene: Tight-binding calculations
The presence of flat bands near Fermi level has been proposed as an explanation for high
transition temperature superconductors. The bands of graphite are extremely sensitive to …
transition temperature superconductors. The bands of graphite are extremely sensitive to …
Pairing symmetry in cuprate superconductors
CC Tsuei, JR Kirtley - Reviews of Modern Physics, 2000 - APS
Pairing symmetry in the cuprate superconductors is an important and controversial topic.
The recent development of phase-sensitive tests, combined with the refinement of several …
The recent development of phase-sensitive tests, combined with the refinement of several …
Band nesting and the optical response of two-dimensional semiconducting transition metal dichalcogenides
We have studied the optical conductivity of two-dimensional (2D) semiconducting transition
metal dichalcogenides using ab initio density functional theory. We find that this class of …
metal dichalcogenides using ab initio density functional theory. We find that this class of …
Quantum-critical theory of the spin-fermion model and its application to cuprates: Normal state analysis
We present the full analysis of the normal state properties of the spin-fermion model near the
antiferromagnetic instability in two dimensions. The model describes low-energy fermions …
antiferromagnetic instability in two dimensions. The model describes low-energy fermions …
LDA energy bands, low-energy hamiltonians, t′, t ″, t⊥(k), and J⊥
OK Andersen, AI Liechtenstein, O Jepsen… - Journal of Physics and …, 1995 - Elsevier
We describe the LDA band structre of YBa2Cu3O7 in the ϵF±2 eV range using orbital
projections and compare with YBa2Cu4O8. Then, the high-energy and chain-related …
projections and compare with YBa2Cu4O8. Then, the high-energy and chain-related …