Engineering interlayer hybridization in van der Waals bilayers

E Barré, M Dandu, S Kundu, A Sood… - Nature Reviews …, 2024 - nature.com
In the decade since the introduction of van der Waals (vdW) heterostructures for designer
devices, there has been an abundance of studies on the artificial assembly of vdW …

Electron-phonon coupling and competing kekulé orders in twisted bilayer graphene

YH Kwan, G Wagner, N Bultinck, SH Simon, E Berg… - Physical Review B, 2024 - APS
Recent scanning tunneling microscopy experiments in twisted bilayer [KP Nuckolls et al.,
Nature (London) 620, 525 (2023) 0028-0836 10.1038/s41586-023-06226-x] and trilayer [H …

Twisted bilayer graphene revisited: minimal two-band model for low-energy bands

D Bennett, DT Larson, L Sharma, S Carr, E Kaxiras - Physical Review B, 2024 - APS
An accurate description of the low-energy electronic bands in twisted bilayer graphene
(tBLG) is of great interest due to their relation to correlated electron phases such as …

Truncated atomic plane wave method for subband structure calculations of moiré systems

W Miao, C Li, X Han, D Pan, X Dai - Physical Review B, 2023 - APS
We propose a highly efficient and accurate numerical scheme named the truncated atomic
plane wave method to determine the subband structure of twisted bilayer graphene (TBG) …

Moiré phonons in graphene/hexagonal boron nitride moiré superlattice

LPA Krisna, M Koshino - Physical Review B, 2023 - APS
We theoretically study the in-plane acoustic phonons of graphene/hexagonal boron nitride
moiré superlattice using a continuum model. We demonstrate that the original phonon …

Delocalization of Quasiparticle Moiré States in Twisted Bilayer hBN

A Apelian, A Canestraight, S Liu, V Vlcek - Nano Letters, 2024 - ACS Publications
Twisted bilayers host many emergent phenomena in which the electronic excitations
(quasiparticles, QPs) are closely intertwined with the local stacking order. By inspecting …

Electrons surf phason waves in moiré bilayers

I Maity, AA Mostofi, J Lischner - Nano Letters, 2023 - ACS Publications
We investigate the effect of thermal fluctuations on the atomic and electronic structure of a
twisted MoSe2/WSe2 heterobilayer using a combination of classical molecular dynamics …

Lattice distortions, moiré phonons, and relaxed electronic band structures in magic-angle twisted bilayer graphene

B Xie, J Liu - Physical Review B, 2023 - APS
In this paper, we present a theoretical research on the lattice relaxations, phonon properties,
and relaxed electronic structures in magic-angle twisted bilayer graphene (TBG). We …

Flat-band optical phonons in twisted bilayer graphene

E Cappelluti, JA Silva-Guillén, H Rostami, F Guinea - Physical Review B, 2023 - APS
Twisting bilayer sheets of graphene have been proven to be an efficient way to manipulate
the electronic Dirac-like properties, resulting in flat bands at magic angles. Inspired by the …

From Incommensurate Bilayer Heterostructures to Allen–Cahn: An Exact Thermodynamic Limit

M Hott, AB Watson, M Luskin - Archive for Rational Mechanics and …, 2024 - Springer
We give a complete and rigorous derivation of the mechanical energy for twisted 2D bilayer
heterostructures without any approximation beyond the existence of an empirical many-body …