4 papers
A -valley Moiré Platform for Tunable Square Lattice Hubbard Model
Rui Shi, Kejie Bao, Huan Wang +1
Moiré superlattices have emerged as a premier platform for simulating the Hubbard model, yet achieving high tunability in square-lattice systems remains a key challenge. We demons…
Moiré Ferroelectricity-Driven Band Engineering in Twisted Square Bilayers
Kejie Bao, Rui Shi, Huan Wang +2
We develop the moiré band theory for M-valley twisted square homobilayers with layer groups - and -, and propose candidate material realizations. We show that moir…
Orbital Description of Landau Levels
Huan Wang, Rui Shi, Zhaochen Liu +1
The pursuit of a lattice analogue for Landau levels has been a central theme in condensed matter physics. Although the correspondence between Chern bands and the lowest Landau leve…
Flat Chern bands and correlated states in spiral magnet ReAgCl
Kejie Bao, Rui Shi, Huan Wang +2
We predict the van der Waals monolayer ReAgCl hosts isolated flat Chern bands at the Fermi level in its antiferromagnetic ground state. Their flatness and nontr…