2021/09/30 by Joaquín Medina Dueñas, Hernán L. Calvo, Luis E. F. Foa Torres · 1 citation
Physics and Astronomy · #cond-mat.mes-hall
paper · pdf · doi:10.1103/physrevlett.128.066801
published as Phys. Rev. Lett. 128, 066801 (2022) · 8 pages, 6 figures
arxiv created 2022/01/12 · arxiv updated 2022/02/10
Unlike the chirality of electrons, the intrinsic chirality of phonons has only surfaced in recent years. Here we report on the effects of the interaction between electrons and chiral phonons in two-dimensional materials by using a non-perturbative solution. We show that chiral phonons introduce inelastic Umklapp processes resulting in copropagating edge states which coexist with a continuum. Transport simulations further reveal the robustness of the edge states. Our results hint on the possibility of having a metal embedded with hybrid electron-phonon states of matter.