Effective model for Majorana modes in graphene (2019)
- Authors:
- USP affiliated authors: RODRIGUES JUNIOR, DURVAL - EEL ; MARTINS, GABRIELLE WEBER - EEL ; MANESCO, ANTONIO LUCAS RIGOTTI - EEL
- Unidade: EEL
- DOI: 10.1103/physrevb.100.125411
- Subjects: FÍSICA DA MATÉRIA CONDENSADA; SUPERCONDUTIVIDADE
- Keywords: Quantum spin Hall effect; Majorana bound states
- Agências de fomento:
- Language: Inglês
- Abstract: It was recently proposed that the interface between a graphene nanoribbon in the canted antiferromagnetic quantum Hall state and a s -wave superconductor may present topological superconductivity, resulting in the appearance of Majorana zero modes [San-Jose et al., Phys. Rev. X 5, 041042 (2015)]. However, a description of the low-energy physics in terms of experimentally controllable parameters was still missing. Starting from a mean-field continuum model for graphene in proximity to a superconductor, we derive the low-energy effective Hamiltonian describing the interface of this heterojunction from first principles. A comparison between tight-binding simulations and analytical calculations with effective masses suggests that normal reflections at the interface must be considered in order to fully describe the low-energy physics.
- Imprenta:
- Source:
- Título: Physical review B
- ISSN: 2469-9969
- Volume/Número/Paginação/Ano: v.100, p. 1-8, 2019
- Este periódico é de assinatura
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: green
-
ABNT
MANESCO, Antonio L R e MARTINS, Gabrielle Weber e RODRIGUES JR., Durval. Effective model for Majorana modes in graphene. Physical review B, v. 100, p. 1-8, 2019Tradução . . Disponível em: https://doi.org/10.1103/physrevb.100.125411. Acesso em: 29 dez. 2025. -
APA
Manesco, A. L. R., Martins, G. W., & Rodrigues Jr., D. (2019). Effective model for Majorana modes in graphene. Physical review B, 100, 1-8. doi:10.1103/physrevb.100.125411 -
NLM
Manesco ALR, Martins GW, Rodrigues Jr. D. Effective model for Majorana modes in graphene [Internet]. Physical review B. 2019 ;100 1-8.[citado 2025 dez. 29 ] Available from: https://doi.org/10.1103/physrevb.100.125411 -
Vancouver
Manesco ALR, Martins GW, Rodrigues Jr. D. Effective model for Majorana modes in graphene [Internet]. Physical review B. 2019 ;100 1-8.[citado 2025 dez. 29 ] Available from: https://doi.org/10.1103/physrevb.100.125411 - Hidden chiral symmetries in BDI multichannel Kitaev chains
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Informações sobre o DOI: 10.1103/physrevb.100.125411 (Fonte: oaDOI API)
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