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 …

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 …

Advance in two-dimensional twisted moiré materials: Fabrication, properties, and applications

H Yang, L Liu, H Yang, Y Zhang, X Wu, Y Huang… - Nano Research, 2023 - Springer
Abstract Two-dimensional (2D) twisted moiré materials, a new class of van der Waals (vdW)
layered heterostructures with different twist angles between neighboring layers, have …

Multiscale lattice relaxation in general twisted trilayer graphenes

N Nakatsuji, T Kawakami, M Koshino - Physical Review X, 2023 - APS
We present comprehensive theoretical studies on the lattice relaxation and the electronic
structures in general nonsymmetric twisted trilayer graphenes. By using an effective …

Magic-angle twisted symmetric trilayer graphene as a topological heavy-fermion problem

J Yu, M **e, BA Bernevig, S Das Sarma - Physical Review B, 2023 - APS
Recently, Song and Bernevig [Phys. Rev. Lett. 129, 047601 (2022) 0031-9007
10.1103/PhysRevLett. 129.047601] reformulated magic-angle twisted bilayer graphene as a …

Emulating heavy fermions in twisted trilayer graphene

A Ramires, JL Lado - Physical Review Letters, 2021 - APS
Twisted van der Waals materials have been shown to host a variety of tunable electronic
structures. Here we put forward twisted trilayer graphene (TTG) as a platform to emulate …

Topological flat bands in rhombohedral tetralayer and multilayer graphene on hexagonal boron nitride moiré superlattices

Y Park, Y Kim, BL Chittari, J Jung - Physical Review B, 2023 - APS
We show that rhombohedral four-layer graphene (4LG) nearly aligned with a hexagonal
boron nitride (hBN) substrate often develops nearly flat isolated low-energy bands with …

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 …

Twisted symmetric trilayer graphene. II. Projected Hartree-Fock study

F **e, N Regnault, D Călugăru, BA Bernevig, B Lian - Physical Review B, 2021 - APS
The Hamiltonian of the magic-angle twisted symmetric trilayer graphene (TSTG) can be
decomposed into a twisted-bilayer-graphene-(TBG-) like flat band Hamiltonian and a high …

Supermoiré low-energy effective theory of twisted trilayer graphene

Y Mao, D Guerci, C Mora - Physical Review B, 2023 - APS
Stacking three monolayers of graphene with a twist generally produces two moiré patterns.
A moiré of moiré structure then emerges at larger distance where the three layers …