Emergent phases in graphene flat bands

S Bhowmik, A Ghosh, U Chandni - Reports on Progress in …, 2024 - iopscience.iop.org
Electronic correlations in two-dimensional materials play a crucial role in stabilising
emergent phases of matter. The realisation of correlation-driven phenomena in graphene …

TBPLaS: A tight-binding package for large-scale simulation

Y Li, Z Zhan, X Kuang, Y Li, S Yuan - Computer Physics Communications, 2023 - Elsevier
TBPLaS is an open-source software package for the accurate simulation of physical systems
with arbitrary geometry and dimensionality utilizing the tight-binding (TB) theory. It has an …

Probing correlated states with plasmons

M Papaj, C Lewandowski - Science Advances, 2023 - science.org
Understanding the nature of strongly correlated states in flat-band materials (such as moiré
heterostructures) is at the forefront of both experimental and theoretical pursuits. While …

Ultra-flat and long-lived plasmons in a strongly correlated oxide

H Gao, C Ding, J Son, Y Zhu, M Wang, ZG Yu… - Nature …, 2022 - nature.com
Plasmons in strongly correlated systems are attracting considerable attention due to their
unconventional behavior caused by electronic correlation effects. Recently, flat plasmons …

Why the first magic-angle is different from others in twisted graphene bilayers: Interlayer currents, kinetic and confinement energy, and wave-function localization

LA Navarro-Labastida, A Espinosa-Champo… - Physical Review B, 2022 - APS
The chiral Hamiltonian for twisted graphene bilayers is analyzed in terms of its squared
Hamiltonian which removes the particle-hole symmetry and thus one bipartite lattice …

Role of electron-electron interaction in the plasmon modes of twisted bilayer graphene

C Ding, X Zhang, H Gao, X Ma, Y Li, M Zhao - Physical Review B, 2022 - APS
The unconventional properties of magic angle twisted bilayer graphene (TBG), such as
correlated insulator states and superconductivity, have drawn significant attention to areas …

Strong suppression of near-field thermal transport between twisted bilayer graphene near the magic angle

F Yang, B Song - Materials Today Physics, 2022 - Elsevier
Twisted bilayer graphene (TBLG) has recently emerged as a versatile platform for studying a
variety of exotic transport phenomena. Here, we present a theoretical study of near-field …

Magnetoplasmons in magic-angle twisted bilayer graphene

TN Do, PH Shih, G Gumbs - Journal of Physics: Condensed …, 2023 - iopscience.iop.org
The magic-angle twisted bilayer graphene (MATBLG) has been demonstrated to exhibit
exotic physical properties due to the special flat bands. However, exploiting the engineering …

Commensurate and incommensurate double moiré interference in twisted trilayer graphene

H Meng, Z Zhan, S Yuan - Physical Review B, 2023 - APS
Twisted graphene multilayers have been recently demonstrated to share several correlation-
driven behaviors with twisted bilayer graphene. In general, the van Hove singularities …

Magic angle and plasmon mode engineering in twisted trilayer graphene with pressure

Z Wu, X Kuang, Z Zhan, S Yuan - Physical Review B, 2021 - APS
Recent experimental and theoretical investigations demonstrate that twisted trilayer
graphene (tTLG) is a highly tunable platform to study the correlated insulating states …