Helical multilayer graphene relaxes into supermoiré domains whose effective Hamiltonians partition the low-energy spectrum into folded Dirac sectors with domain-dependent and gate-tunable valley topology.
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cond-mat.mes-hall 2years
2026 2verdicts
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Nonlinear anomalous Hall response computed from the Berry curvature dipole in strained moiré dice lattices reverses sign across topological phase boundaries, providing a probe for valley-specific topology far from charge neutrality.
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Supermoir\'{e} domain-resolved effective Hamiltonians and valley topology in helical multilayer graphene
Helical multilayer graphene relaxes into supermoiré domains whose effective Hamiltonians partition the low-energy spectrum into folded Dirac sectors with domain-dependent and gate-tunable valley topology.
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Probing topological phase transitions via nonlinear Hall response in strained moir\'e dice lattice
Nonlinear anomalous Hall response computed from the Berry curvature dipole in strained moiré dice lattices reverses sign across topological phase boundaries, providing a probe for valley-specific topology far from charge neutrality.