Quantum nonlinear planar Hall effect in bilayer graphene: an orbital effect of a steady in-plane magnetic field

Abstract

We study the quantum nonlinear planar Hall effect in bilayer graphene under a steady in-plane magnetic field. When time-reversal symmetry is broken by the magnetic field, a charge current occurs in the second-order response to an external electric field, as a result of the Berry curvature dipole in momentum space. We have shown that a nonlinear planar Hall effect originating from the anomalous velocity is deduced by an orbital effect of an in-plane magnetic field on electrons in bilayer graphene in the complete absence of spin-orbit coupling. Taking into account the symmetry analysis, we derived the dominant dependence of Berry curvature dipole moment on the magnetic field components. Moreover, we illustrate how to control and modulate the Berry curvature dipole with an external planar magnetic field, gate voltage, and Fermi energy.

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• Engineering of Chern number of topological bands in bilayer graphene by in-plane magnetic field and electrical bias
• Magic-angle twisted bilayer graphene under orthogonal and in-plane magnetic fields
• Insulator-Metal Transition and Magnetic Crossover in Bilayer Graphene
• General solution for the response of materials under radiation and tilted magnetic field: semi-classical regime