Hidden chiral symmetries in BDI multichannel Kitaev chains (2018)
- Authors:
- USP affiliated authors: RODRIGUES JUNIOR, DURVAL - EEL ; MARTINS, GABRIELLE WEBER - EEL ; MANESCO, ANTONIO LUCAS RIGOTTI - EEL
- Unidade: EEL
- DOI: 10.1088/1361-648x/aab722
- Assunto: SUPERCONDUTIVIDADE
- Keywords: topological superconductivity; Kitaev chain; chiral symmetry; winding number; multiband superconductivity
- Agências de fomento:
- Language: Inglês
- Abstract: Realistic implementations of the Kitaev chain require, in general, the introduction of extra internal degrees of freedom. In the present work, we discuss the presence of hidden BDI symmetries for free Hamiltonians describing systems with an arbitrary number of internal degrees of freedom. We generalize results of a spinfull Kitaev chain to construct a Hamiltonian with n internal degrees of freedom and obtain the corresponding hidden chiral symmetry. As an explicit application of this generalized result, we exploit by analytical and numerical calculations the case of a spinful two-band Kitaev chain, which can host up to four Majorana bound states. We also observe the appearence of minigap states, when chiral symmetry is broken.
- Imprenta:
- Publisher: IOP Science
- Publisher place: Lincoln
- Date published: 2018
- Source:
- Título: Journal of physics condensed matter (online)
- ISSN: 1361-648X
- Volume/Número/Paginação/Ano: v. 30, n. 17, p. 1-8, 2018
- Status:
- Artigo possui versão em acesso aberto em repositório (Green Open Access)
- Versão do Documento:
- Versão submetida (Pré-print)
- Acessar versão aberta:
-
ABNT
MANESCO, Antonio L R e WEBER, Gabrielle e RODRIGUES JR, Durval. Hidden chiral symmetries in BDI multichannel Kitaev chains. Journal of physics condensed matter (online), v. 30, n. 17, p. 1-8, 2018Tradução . . Disponível em: https://doi.org/10.1088/1361-648x/aab722. Acesso em: 02 abr. 2026. -
APA
Manesco, A. L. R., Weber, G., & Rodrigues Jr, D. (2018). Hidden chiral symmetries in BDI multichannel Kitaev chains. Journal of physics condensed matter (online), 30( 17), 1-8. doi:10.1088/1361-648x/aab722 -
NLM
Manesco ALR, Weber G, Rodrigues Jr D. Hidden chiral symmetries in BDI multichannel Kitaev chains [Internet]. Journal of physics condensed matter (online). 2018 ; 30( 17): 1-8.[citado 2026 abr. 02 ] Available from: https://doi.org/10.1088/1361-648x/aab722 -
Vancouver
Manesco ALR, Weber G, Rodrigues Jr D. Hidden chiral symmetries in BDI multichannel Kitaev chains [Internet]. Journal of physics condensed matter (online). 2018 ; 30( 17): 1-8.[citado 2026 abr. 02 ] Available from: https://doi.org/10.1088/1361-648x/aab722 - Topological phases in a one-dimensional multichannel p-wave superconductor
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