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Anomaly Inflow for Subsystem Symmetries
Fiona J. Burnell, Trithep Devakul, Pranay Gorantla +2
We study 't Hooft anomalies and the related anomaly inflow for subsystem global symmetries. These symmetries and anomalies arise in a number of exotic systems, including models wit…
Quantum anomalous Hall effect from inverted charge transfer gap
Trithep Devakul, Liang Fu
A general mechanism is presented by which topological physics arises in strongly correlated systems without flat bands. Starting from a charge transfer insulator, topology emerges…
One-Dimensional Luttinger Liquids in a Two-Dimensional Moiré Lattice
Pengjie Wang, Guo Yu, Yves H. Kwan +13
The Luttinger liquid (LL) model of one-dimensional (1D) electronic systems provides a powerful tool for understanding strongly correlated physics including phenomena such as spin-c…
Spin-textured Chern bands in AB-stacked transition metal dichalcogenide bilayers
Yang Zhang, Trithep Devakul, Liang Fu
While transition metal dichalcogenide (TMD) based moire materials have been shown to host various correlated electronic phenomena, topological states have not been experimentally o…
Quantum anomalous Hall effect from intertwined moiré bands
Tingxin Li, Shengwei Jiang, Bowen Shen +8
Electron correlation and topology are two central threads of modern condensed matter physics. Semiconductor moiré materials provide a highly tunable platform for studies of electro…
Magic in twisted transition metal dichalcogenide bilayers
Trithep Devakul, Valentin Crépel, Yang Zhang +1
The long wavelength moiré superlattices in twisted 2D structures have emerged as a highly tunable platform for strongly correlated electron physics. We study the moiré bands in twi…
Quantum oscillations in the zeroth Landau Level and the serpentine Landau fan
T. Devakul, Yves H. Kwan, S. L. Sondhi +1
We identify an unusual mechanism for quantum oscillations in nodal semimetals, driven by a single pair of Landau levels periodically closing their gap at the Fermi energy as a magn…