Electronic-structure methods for twisted moiré layers

S Carr, S Fang, E Kaxiras - Nature Reviews Materials, 2020 - nature.com
When single layers of 2D materials are stacked on top of one another with a small twist in
orientation, the resulting structure often involves incommensurate moiré patterns. In these …

Anomalous Hall metal and fractional Chern insulator in twisted transition metal dichalcogenides

V Crépel, L Fu - Physical Review B, 2023 - APS
We predict robust Ising ferromagnetism driven by Coulomb interaction in the metallic phase
of twisted transition metal dichalcogenide homobilayers for a range of small twist angles …

Twistronics in graphene-based van der Waals structures

YN Ren, Y Zhang, YW Liu, L He - Chinese Physics B, 2020 - iopscience.iop.org
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 …

Coulomb interaction, phonons, and superconductivity in twisted bilayer graphene

T Cea, F Guinea - Proceedings of the National Academy of …, 2021 - National Acad Sciences
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 …

In-plane critical magnetic fields in magic-angle twisted trilayer graphene

W Qin, AH MacDonald - Physical Review Letters, 2021 - APS
It has recently been shown [Y. Cao, JM Park, K. Watanabe, T. Taniguchi, and P. Jarillo-
Herrero, Pauli-limit violation and re-entrant superconductivity in moiré graphene, Nature …

Origin and evolution of ultraflat bands in twisted bilayer transition metal dichalcogenides: Realization of triangular quantum dots

MH Naik, S Kundu, I Maity, M Jain - Physical Review B, 2020 - APS
Using a multiscale computational approach, we probe the origin and evolution of ultraflat
bands in moiré superlattices of twisted bilayer Mo S 2, a prototypical transition metal …

Functional renormalization group study of superconductivity in rhombohedral trilayer graphene

W Qin, C Huang, T Wolf, N Wei, I Blinov… - Physical Review Letters, 2023 - APS
We employ a functional renormalization group approach to ascertain the pairing mechanism
and symmetry of the superconducting phase observed in rhombohedral trilayer graphene …

Unconventional superconductivity in magic-angle twisted trilayer graphene

A Fischer, ZAH Goodwin, AA Mostofi, J Lischner… - npj Quantum …, 2022 - nature.com
Magic-angle twisted trilayer graphene (MATTG) recently emerged as a highly tunable
platform for studying correlated phases of matter, such as correlated insulators and …

Derivation of Wannier orbitals and minimal-basis tight-binding Hamiltonians for twisted bilayer graphene: First-principles approach

S Carr, S Fang, HC Po, A Vishwanath, E Kaxiras - Physical Review Research, 2019 - APS
Twisted bilayer graphene (TBLG) has emerged as an important platform for studying
correlated phenomena, including unconventional superconductivity, in two-dimensional …

Pairing in magic-angle twisted bilayer graphene: role of phonon and plasmon umklapp

C Lewandowski, D Chowdhury, J Ruhman - Physical Review B, 2021 - APS
Identifying the microscopic mechanism for superconductivity in magic-angle twisted bilayer
graphene (MATBG) is an outstanding open problem. While MATBG exhibits a rich phase …