Quantum Nonlinear Acoustic Hall Effect and Inverse Acoustic Faraday Effect in Dirac Insulators

Author(s): Ying Su, Alexander V. Balatsky, and Shi-Zeng Lin We propose to realize the quantum nonlinear Hall effect and the inverse Faraday effect through the acoustic wave in a time-reversal invariant but inversion broken Dirac insulator. We focus on the acoustic frequency much lower than the Dirac gap such that the interband transition is suppressed and th… [Phys. Rev. Lett. 134, 026304] Published Thu Jan 16, 2025