2 papers
cond-mat.str-el2020
Correlation-induced insulating topological phases at charge neutrality in twisted bilayer graphene
Yuan Da Liao, Jian Kang, Clara N. Breiø +5
Twisted bilayer graphene (TBG) provides a unique framework to elucidate the interplay between strong correlations and topological phenomena in two-dimensional systems. The existenc…
cond-mat.str-el2019
Is magic-angle twisted bilayer graphene near a quantum critical point?
Yuan Da Liao, Zi Yang Meng, Xiao Yan Xu
An extended Hubbard model on a honeycomb lattice with two orbitals per site at charge neutrality is investigated with unbiased large-scale quantum Monte Carlo simulations. The Ferm…