Nonlinear Hall quantum oscillations in graphene moiré systems detect the topological nature of Brown-Zak fermions via quantum geometric contributions when commensurability conditions are met.
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The authors derive and analyze the second-order electric-field contributions to current in topological Dirac semimetals with parallel magnetic field, focusing on Berry curvature dipole and field-induced terms, and propose experimental tests via anomalous Hall resistivity in specific materials.
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Nonlinear Hall quantum oscillations to probe topological Brown-Zak fermions in graphene moir\'e systems
Nonlinear Hall quantum oscillations in graphene moiré systems detect the topological nature of Brown-Zak fermions via quantum geometric contributions when commensurability conditions are met.
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Nonlinear Hall effect in topological Dirac semimetals in parallel magnetic field
The authors derive and analyze the second-order electric-field contributions to current in topological Dirac semimetals with parallel magnetic field, focusing on Berry curvature dipole and field-induced terms, and propose experimental tests via anomalous Hall resistivity in specific materials.