Graphene bilayers with a twist

EY Andrei, AH MacDonald - Nature materials, 2020 - nature.com
Near a magic twist angle, bilayer graphene transforms from a weakly correlated Fermi liquid
to a strongly correlated two-dimensional electron system with properties that are …

Light-induced emergent phenomena in 2D materials and topological materials

C Bao, P Tang, D Sun, S Zhou - Nature Reviews Physics, 2022 - nature.com
Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

Superconductivity and strong correlations in moiré flat bands

L Balents, CR Dean, DK Efetov, AF Young - Nature Physics, 2020 - nature.com
Strongly correlated systems can give rise to spectacular phenomenology, from high-
temperature superconductivity to the emergence of states of matter characterized by long …

Observation of flat bands in twisted bilayer graphene

S Lisi, X Lu, T Benschop, TA de Jong, P Stepanov… - Nature Physics, 2021 - nature.com
Transport experiments in twisted bilayer graphene have revealed multiple superconducting
domes separated by correlated insulating states,,,–. These properties are generally …

Tunable angle-dependent electrochemistry at twisted bilayer graphene with moiré flat bands

Y Yu, K Zhang, H Parks, M Babar, S Carr, IM Craig… - Nature …, 2022 - nature.com
Tailoring electron transfer dynamics across solid–liquid interfaces is fundamental to the
interconversion of electrical and chemical energy. Stacking atomically thin layers with a …

Topological surface states and flat bands in the kagome superconductor CsV3Sb5

Y Hu, SML Teicher, BR Ortiz, Y Luo, S Peng, L Huai… - Science Bulletin, 2022 - Elsevier
Exotic quantum phenomena may appear in material systems with multiple orders or phases,
where the mutual interactions can give rise to new physics beyond that of each component …

Singular flat bands

JW Rhim, BJ Yang - Advances in Physics: X, 2021 - Taylor & Francis
We review recent progresses in the study of flat band systems, especially focusing on the
fundamental physics related to the singularity of the flat band's Bloch wave functions. We first …

Strong electron–phonon coupling in magic-angle twisted bilayer graphene

C Chen, KP Nuckolls, S Ding, W Miao, D Wong, M Oh… - Nature, 2024 - nature.com
The unusual properties of superconductivity in magic-angle twisted bilayer graphene
(MATBG) have sparked considerable research interest 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 …

Spectroscopy signatures of electron correlations in a trilayer graphene/hBN moiré superlattice

J Yang, G Chen, T Han, Q Zhang, YH Zhang, L Jiang… - Science, 2022 - science.org
ABC-stacked trilayer graphene/hexagonal boron nitride moiré superlattice (TLG/hBN) has
emerged as a playground for correlated electron physics. We report spectroscopy …

Fermionic Monte Carlo study of a realistic model of twisted bilayer graphene

JS Hofmann, E Khalaf, A Vishwanath, E Berg, JY Lee - Physical Review X, 2022 - APS
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 …