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| DOI | 10.1002/ANDP.202000199 | ||||
| Año | 2020 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
A quantum ring coupled to a 1D topological superconductor hosting Majorana bound states (MBSs) is investigated. The MBSs effects over the spectrum and persistent current along the quantum ring are studied. The spectra of the system are obtained by an exact numerical diagonalization of the Bogoliubov-de Gennes Hamiltonian in the Majorana representation. In addition, Green's function formalism is implemented for analytical calculations and obtained a switching condition in the MBSs fermionic parity. Three different patterns that could be obtained for the spatial separation of the MBSs, named: bowtie, diamond, and asymmetric, are reported here, which are present only in odd parity in the quantum ring, while only a single pattern (bowtie) is obtained for even parity. Those patterns are subject strictly to the switching condition for the MBSs. Besides, quantum ring with the presence of a Majorana zero mode presents gapped/gapless spectra in odd/even parity showing in the even case a subtle signature in the persistent current.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Medina-Cuy, Fabian | Hombre |
Universidad Técnica Federico Santa María - Chile
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| 2 | RAMOS-ANDRADE, JUAN PABLO | Hombre |
Universidad Técnica Federico Santa María - Chile
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| 3 | ROSALES-AHUMADA, LUIS ESTEBAN | Hombre |
Universidad Técnica Federico Santa María - Chile
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| 4 | ORELLANA-DINAMARCA, PEDRO ALEJANDRO | Hombre |
Universidad Técnica Federico Santa María - Chile
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| Fuente |
|---|
| FONDECYT |
| CONICYT-Chile |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Fondo Nacional de Desarrollo CientÃfico y Tecnológico |
| Grant USM-DGIIP |
| Agradecimiento |
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| F.G.M. is grateful for the funding of scholarship CONICYT-Chile No. 21170550. J.P.R.-A is grateful for the funding of FONDECYT Postdoc. Grant No. 3190301 (2019). L.R. and P.A.O. acknowledge support from FONDECYT Grants 1180914 and 1201876, and Grant USM-DGIIP PI-LI 19-19. |
| F.G.M. is grateful for the funding of scholarship CONICYT-Chile No. 21170550. J.P.R.-A is grateful for the funding of FONDECYT Postdoc. Grant No. 3190301 (2019). L.R. and P.A.O. acknowledge support from FONDECYT Grants 1180914 and 1201876, and Grant USM-DGIIP PI-LI?19-19. |