Copropagating Edge States Produced by the Interaction between Electrons and Chiral Phonons in Two-Dimensional Materials

Copropagating Edge States Produced by the Interaction between Electrons and Chiral Phonons in Two-Dimensional Materials

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 nonperturbative solution. We show that chiral phonons introduce inel...

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Veröffentlicht in:Physical review letters 2022-02, Vol.128 (6), p.066801-066801, Article 066801
Hauptverfasser: Medina Dueñas, Joaquín, Calvo, Hernán L, Foa Torres, Luis E F
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container_title Physical review letters
container_volume 128
creator Medina Dueñas, Joaquín
Calvo, Hernán L
Foa Torres, Luis E F
description 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 nonperturbative solution. We show that chiral phonons introduce inelastic Umklapp processes resulting in copropagating edge states that 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.
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title Copropagating Edge States Produced by the Interaction between Electrons and Chiral Phonons in Two-Dimensional Materials
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