Pauli-limit violation and re-entrant superconductivity in moiré graphene
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 …
topological phases can be explored with unprecedented control. Among them, magic-angle …
Zero-field superconducting diode effect in small-twist-angle trilayer graphene
The critical current of a superconductor can be different for opposite directions of current flow
when both time-reversal and inversion symmetry are broken. Such non-reciprocal behaviour …
when both time-reversal and inversion symmetry are broken. Such non-reciprocal behaviour …
Orderly disorder in magic-angle twisted trilayer graphene
Magic-angle twisted trilayer graphene (TTG) has recently emerged as a platform to engineer
strongly correlated flat bands. We reveal the normal-state structural and electronic properties …
strongly correlated flat bands. We reveal the normal-state structural and electronic properties …
Theory of zero-field superconducting diode effect in twisted trilayer graphene
In a recent experiment (Lin et al 2021 arxiv: 2112.07841 [cond-mat. str-el]), the
superconducting phase hosted by a heterostructure of mirror-symmetric twisted trilayer …
superconducting phase hosted by a heterostructure of mirror-symmetric twisted trilayer …
Coulomb interaction, phonons, and superconductivity in twisted bilayer graphene
The polarizability of twisted bilayer graphene, due to the combined effect of electron–hole
pairs, plasmons, and acoustic phonons, is analyzed. The screened Coulomb interaction …
pairs, plasmons, and acoustic phonons, is analyzed. The screened Coulomb interaction …
Twistronics in graphene-based van der Waals structures
The electronic properties of van der Waals (vdW) structures can be substantially modified by
the moiré superlattice potential, which strongly depends on the twist angle among the …
the moiré superlattice potential, which strongly depends on the twist angle among the …
Pairing symmetry of twisted bilayer graphene: A phenomenological synthesis
One of the outstanding questions in the study of twisted bilayer graphene—from both
experimental and theoretical points of view—is the nature of its superconducting phase. In …
experimental and theoretical points of view—is the nature of its superconducting phase. In …
Moiré nematic phase in twisted double bilayer graphene
Graphene moiré superlattices display electronic flat bands. At integer fillings of these flat
bands, energy gaps due to strong electron–electron interactions are generally observed …
bands, energy gaps due to strong electron–electron interactions are generally observed …
Correlated insulators, semimetals, and superconductivity in twisted trilayer graphene
Motivated by recent experiments indicating strong superconductivity and intricate correlated
insulating and flavor-polarized physics in mirror-symmetric twisted-trilayer graphene, we …
insulating and flavor-polarized physics in mirror-symmetric twisted-trilayer graphene, we …
Interplay of fractional Chern insulator and charge density wave phases in twisted bilayer graphene
We perform an extensive exact diagonalization study of interaction-driven insulators in spin-
and valley-polarized moiré flat bands of twisted bilayer graphene aligned with its hexagonal …
and valley-polarized moiré flat bands of twisted bilayer graphene aligned with its hexagonal …