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cond-mat.mes-hall2026
Pressure and Proximity Tuned Twisted Bilayer Graphene
David T. S. Perkins, Joseph J. Betouras
The coupling between layered atomically-thin materials mediated by van der Waals forces allows strong electronic correlations, unique topological signatures, and non-trivial spin t…
cond-mat.mes-hall2026
Twisted Kagome Bilayers: High-Order Van Hove Singularities, Sublattice Interference, Magic Angles, and Possible Topology
David T. S. Perkins, Joseph J. Betouras
We develop a low-energy continuum model to describe the moiré physics of heterostructures, which is a generalization of the celebrated Bistritzer-MacDonald (BM) method [R. Bistritz…
cond-mat.mes-hall2025
Symmetry Preservation in Commensurate Twisted Bilayers
David T. S. Perkins
Symmetry plays a key role in materials hosting Dirac electrons and underpins our ability to completely flatten the Dirac cone through the tuning of physical parameters such as twis…