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Excitonic Mott insulator in a Bose-Fermi-Hubbard system of moiré / heterobilayer
Beini Gao, Daniel G. Suárez-Forero, Supratik Sarkar +13
Understanding the Hubbard model is crucial for investigating various quantum many-body states and its fermionic and bosonic versions have been largely realized separately. Recently…
Flavor symmetry breaking in spin-orbit coupled bilayer graphene
Ming Xie, Sankar Das Sarma
Recent experimental discovery of flavor symmetry breaking metallic phases in Bernal-stacked bilayer graphene points to the strongly interacting nature of electrons near the top (bo…
Magic-Angle Twisted Symmetric Trilayer Graphene as Topological Heavy Fermion Problem
Jiabin Yu, Ming Xie, B. Andrei Bernevig +1
Recently, Ref. [1] reformulated magic-angle twisted bilayer graphene (MATBG) as a topological heavy fermion problem, and used this reformulation to provide a deeper understanding f…