Strain‑induced quantum Hall phenomena of excitons in graphene

Authors

Oleg L. Berman, CUNY New York City College of TechnologyFollow
Roman Ya. Kezerashvili, CUNY New York City College of TechnologyFollow
Yurii E. Lozovik, Russian Academy of Sciences
Klaus G. Ziegler, Universität Augsburg

Document Type

Article

Publication Date

2022

Abstract

We study direct and indirect pseudomagnetoexcitons, formed by an electron and a hole in the layers of gapped graphene under strain‑induced gauge pseudomagnetic field. Since the train‑induced pseudomagnetic field acts on electrons and holes the same way, it occurs that the properties of single pseudomagnetoexcitons, their collective effects and phase diagram are cardinally different from those of magnetoexcitons in a real magnetic field. We have derived wave functions and energy spectrum of direct in a monolayer and indirect pseudomagnetoexcitons in a double layer of gapped graphene. The quantum Hall effect for direct and indirect excitons was predicted in the monolayers and double layers of gapped graphene under strain‑induced gauge pseudomagnetic field, correspondingly.

Comments

This article was originally published in Scientific Reports, available at https://doi.org/10.1038/s41598-022-06486-z

This work is distributed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).