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 …
to a strongly correlated two-dimensional electron system with properties that are …
Superconductivity and strong correlations in moiré flat bands
Strongly correlated systems can give rise to spectacular phenomenology, from high-
temperature superconductivity to the emergence of states of matter characterized by long …
temperature superconductivity to the emergence of states of matter characterized by long …
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 …
contradictory characters: the localization and quantum-dot-like behavior in STM …
Maximized electron interactions at the magic angle in twisted bilayer graphene
The electronic properties of heterostructures of atomically thin van der Waals crystals can be
modified substantially by moiré superlattice potentials from an interlayer twist between …
modified substantially by moiré superlattice potentials from an interlayer twist between …
Superconductors, orbital magnets and correlated states in magic-angle bilayer graphene
Superconductivity can occur under conditions approaching broken-symmetry parent states.
In bilayer graphene, the twisting of one layer with respect to the other at 'magic'twist angles …
In bilayer graphene, the twisting of one layer with respect to the other at 'magic'twist angles …
Emergent ferromagnetism near three-quarters filling in twisted bilayer graphene
When two sheets of graphene are stacked at a small twist angle, the resulting flat
superlattice minibands are expected to strongly enhance electron-electron interactions …
superlattice minibands are expected to strongly enhance electron-electron interactions …
Isospin Pomeranchuk effect in twisted bilayer graphene
In condensed-matter systems, higher temperatures typically disfavour ordered phases,
leading to an upper critical temperature for magnetism, superconductivity and other …
leading to an upper critical temperature for magnetism, superconductivity and other …
Cascade of phase transitions and Dirac revivals in magic-angle graphene
Twisted bilayer graphene near the magic angle,,–exhibits rich electron-correlation physics,
displaying insulating,,–, magnetic, and superconducting phases,–. The electronic bands of …
displaying insulating,,–, magnetic, and superconducting phases,–. The electronic bands of …
Untying the insulating and superconducting orders in magic-angle graphene
The coexistence of superconducting and correlated insulating states in magic-angle twisted
bilayer graphene,,,,,,,,,–prompts fascinating questions about their relationship. Independent …
bilayer graphene,,,,,,,,,–prompts fascinating questions about their relationship. Independent …
Tuning superconductivity in twisted bilayer graphene
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 …
correlations. An isolated low-energy flat band can be induced in bilayer graphene by simply …