| Issue |
EPL
Volume 154, Number 5, June 2026
|
|
|---|---|---|
| Article Number | 56001 | |
| Number of page(s) | 7 | |
| Section | Condensed matter and materials physics | |
| DOI | https://doi.org/10.1209/0295-5075/ae609f | |
| Published online | 18 May 2026 | |
Orbital Hall conductivity in a Kekulé distorted graphene with spin-orbit coupling
1 Centro de Ciência e Tecnologia em Energia e Sustentabilidade, Universidade Federal do Recôncavo da Bahia, Feira de Santana-BA 44042-280, Brazil
2 Departamento de Física, Universidade Federal Rural de Pernambuco - Recife-PE 52171-900, Brazil
Received: 5 December 2025
Accepted: 16 April 2026
Abstract
We conducted a comprehensive investigation of gapped graphene influenced by a Kekulé-O distortion in the presence of spin-orbit coupling. We analyzed the band structure and derived the intrinsic orbital-magnetic-moment operator. Next, we evaluated the orbital current density and its corresponding orbital Hall conductivity. Our results show that both the Kekulé-O distortion gap and the spin-orbit coupling terms significantly affect the orbital Hall conductivity. This work highlights the importance of these factors in shaping the electrical behavior of gapped graphene.
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