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 …

The magnetic genome of two-dimensional van der Waals materials

QH Wang, A Bedoya-Pinto, M Blei, AH Dismukes… - ACS …, 2022 - ACS Publications
Magnetism in two-dimensional (2D) van der Waals (vdW) materials has recently emerged as
one of the most promising areas in condensed matter research, with many exciting emerging …

Tunable strongly coupled superconductivity in magic-angle twisted trilayer graphene

JM Park, Y Cao, K Watanabe, T Taniguchi… - Nature, 2021 - nature.com
Moiré superlattices, have recently emerged as a platform upon which correlated physics and
superconductivity can be studied with unprecedented tunability,,–. Although correlated …

Robust superconductivity in magic-angle multilayer graphene family

JM Park, Y Cao, LQ **a, S Sun, K Watanabe… - Nature Materials, 2022 - nature.com
The discovery of correlated states and superconductivity in magic-angle twisted bilayer
graphene (MATBG) established a new platform to explore interaction-driven and topological …

Imaging two-dimensional generalized Wigner crystals

H Li, S Li, EC Regan, D Wang, W Zhao, S Kahn… - Nature, 2021 - nature.com
The Wigner crystal has fascinated condensed matter physicists for nearly 90 years,,,,,,,,,,,–.
Signatures of two-dimensional (2D) Wigner crystals were first observed in 2D electron gases …

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 …

Electric field–tunable superconductivity in alternating-twist magic-angle trilayer graphene

Z Hao, AM Zimmerman, P Ledwith, E Khalaf… - Science, 2021 - science.org
Engineering moiré superlattices by twisting layers in van der Waals (vdW) heterostructures
has uncovered a wide array of quantum phenomena. We constructed a vdW heterostructure …

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 …

Sachdev-Ye-Kitaev models and beyond: Window into non-Fermi liquids

D Chowdhury, A Georges, O Parcollet… - Reviews of Modern Physics, 2022 - APS
This is a review of the Sachdev-Ye-Kitaev (SYK) model of compressible quantum many-
body systems without quasiparticle excitations, and its connections to various theoretical …

Pauli-limit violation and re-entrant superconductivity in moiré graphene

Y Cao, JM Park, K Watanabe, T Taniguchi… - Nature, 2021 - nature.com
Moiré quantum matter has emerged as a materials platform in which correlated and
topological phases can be explored with unprecedented control. Among them, magic-angle …