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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Quantum many-body calculations identify a strain-tuned transition from the Kramers intervalley coherent state to the incommensurate Kekulé spiral state at filling factors ±2 in twisted bilayer graphene.
citing papers explorer
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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.
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Strain-Tuned Incommensurate Kekul\'e Spiral Order in Twisted Bilayer Graphene: a Quantum Many-Body Study
Quantum many-body calculations identify a strain-tuned transition from the Kramers intervalley coherent state to the incommensurate Kekulé spiral state at filling factors ±2 in twisted bilayer graphene.