A microscopic perspective on moiré materials

KP Nuckolls, A Yazdani - Nature Reviews Materials, 2024 - nature.com
Contemporary quantum materials research is guided by themes of topology and electronic
correlations. A confluence of these two themes is engineered in moiré materials, an …

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 …

Magic-angle twisted bilayer graphene as a topological heavy fermion problem

ZD Song, BA Bernevig - Physical review letters, 2022 - APS
Magic-angle (θ= 1.0 5°) twisted bilayer graphene (MATBG) has shown two seemingly
contradictory characters: the localization and quantum-dot-like behavior in STM …

Evidence for unconventional superconductivity in twisted bilayer graphene

M Oh, KP Nuckolls, D Wong, RL Lee, X Liu… - Nature, 2021 - nature.com
The emergence of superconductivity and correlated insulators in magic-angle twisted bilayer
graphene (MATBG) has raised the intriguing possibility that its pairing mechanism is distinct …

Moiré heterostructures as a condensed-matter quantum simulator

DM Kennes, M Claassen, L **an, A Georges, AJ Millis… - Nature Physics, 2021 - nature.com
Twisted van der Waals heterostructures have latterly received prominent attention for their
many remarkable experimental properties and the promise that they hold for realizing …

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 …

Tuning superconductivity in twisted bilayer graphene

M Yankowitz, S Chen, H Polshyn, Y Zhang… - Science, 2019 - science.org
Materials with flat electronic bands often exhibit exotic quantum phenomena owing to strong
correlations. An isolated low-energy flat band can be induced in bilayer graphene by simply …

Correlated insulating phases of twisted bilayer graphene at commensurate filling fractions: A Hartree-Fock study

Y Zhang, K Jiang, Z Wang, F Zhang - Physical Review B, 2020 - APS
Motivated by the recently observed insulating states in twisted bilayer graphene, we study
the nature of the correlated insulating phases of the twisted bilayer graphene at …

Correlated states in twisted double bilayer graphene

C Shen, Y Chu, QS Wu, N Li, S Wang, Y Zhao, J Tang… - Nature Physics, 2020 - nature.com
Electron–electron interactions play an important role in graphene and related systems and
can induce exotic quantum states, especially in a stacked bilayer with a small twist angle …

Maximally localized wannier orbitals and the extended hubbard model for twisted bilayer graphene

M Koshino, NFQ Yuan, T Koretsune, M Ochi, K Kuroki… - Physical Review X, 2018 - APS
We develop an effective extended Hubbard model to describe the low-energy electronic
properties of the twisted bilayer graphene. By using the Bloch states in the effective …