Maximally localized Wannier functions: Theory and applications

N Marzari, AA Mostofi, JR Yates, I Souza… - Reviews of Modern …, 2012 - APS
The electronic ground state of a periodic system is usually described in terms of extended
Bloch orbitals, but an alternative representation in terms of localized “Wannier functions” …

Stacking‐engineered heterostructures in transition metal dichalcogenides

S Wang, X Cui, C Jian, H Cheng, M Niu, J Yu… - Advanced …, 2021 - Wiley Online Library
The layer‐by‐layer assembly of 2D transition metal dichalcogenide monolayer blocks to
form a 3D stack, with a precisely chosen sequence/angle, is the newest development for …

Intralayer charge-transfer moiré excitons in van der Waals superlattices

MH Naik, EC Regan, Z Zhang, YH Chan, Z Li, D Wang… - Nature, 2022 - nature.com
Moiré patterns of transition metal dichalcogenide heterobilayers have proved to be an ideal
platform on which to host unusual correlated electronic phases, emerging magnetism and …

PyProcar: A Python library for electronic structure pre/post-processing

U Herath, P Tavadze, X He, E Bousquet, S Singh… - Computer Physics …, 2020 - Elsevier
Abstract The PyProcar Python package plots the band structure and the Fermi surface as a
function of site and/or s, p, d, f-projected wavefunctions obtained for each k-point in the …

Effects of extrinsic and intrinsic perturbations on the electronic structure of graphene: Retaining an effective primitive cell band structure by band unfolding

PVC Medeiros, S Stafström, J Björk - Physical Review B, 2014 - APS
We use a band unfolding technique to recover an effective primitive cell picture of the band
structure of graphene under the influence of different types of perturbations. This involves …

Small Fermi pockets intertwined with charge stripes and pair density wave order in a kagome superconductor

H Li, D Oh, M Kang, H Zhao, BR Ortiz, Y Oey, S Fang… - Physical Review X, 2023 - APS
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 …

Unfolding spinor wave functions and expectation values of general operators: Introducing the unfolding-density operator

PVC Medeiros, SS Tsirkin, S Stafström, J Björk - Physical Review B, 2015 - APS
We show that the spectral weights W m K ⃗ (k ⃗) used for the unfolding of two-component
spinor eigenstates| ψ m K ⃗ SC〉=| α〉| ψ m K ⃗ SC, α〉+| β〉| ψ m K ⃗ SC, β〉 can be …

Visualization of the flat electronic band in twisted bilayer graphene near the magic angle twist

MIB Utama, RJ Koch, K Lee, N Leconte, H Li, S Zhao… - Nature Physics, 2021 - nature.com
Bilayer graphene has been predicted to host a moiré miniband with flat dispersion if the
layers are stacked at specific twist angles known as the'magic angles',. Recently, twisted …

Extracting versus effective band structure from supercell calculations on alloys and impurities

V Popescu, A Zunger - Physical Review B—Condensed Matter and Materials …, 2012 - APS
The supercell approach to defects and alloys has circumvented the limitations of those
methods that insist on using artificially high symmetry, yet this step usually comes at the cost …

Orbital textures and charge density waves in transition metal dichalcogenides

T Ritschel, J Trinckauf, K Koepernik, B Büchner… - Nature physics, 2015 - nature.com
Low-dimensional electron systems, as realized in layered materials, often tend to
spontaneously break the symmetry of the underlying nuclear lattice by forming so-called …