Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes

We theoretically discuss electronic transport via Majorana states in magnetic topological insulator-superconductor junctions with an asymmetric split of the applied bias voltage. We study normal-superconductor-normal (NSN) junctions made of narrow (wire-like) or wide (film-like) magnetic topological...

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Detalles Bibliográficos
Autores: Di Miceli, Daniele, Zsurka, Eduárd, Legendre, Julian, Moors, Kristof, Schmidt, Thomas L., Serra, Llorenç
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/340287
Acceso en línea:http://hdl.handle.net/10261/340287
http://arxiv.org/abs/2303.16261v2
Access Level:acceso abierto
Palabra clave:Physics - Mesoscopic Systems and Quantum Hall Effect
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spelling Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modesDi Miceli, DanieleZsurka, EduárdLegendre, JulianMoors, KristofSchmidt, Thomas L.Serra, LlorençPhysics - Mesoscopic Systems and Quantum Hall EffectPhysics - Mesoscopic Systems and Quantum Hall EffectWe theoretically discuss electronic transport via Majorana states in magnetic topological insulator-superconductor junctions with an asymmetric split of the applied bias voltage. We study normal-superconductor-normal (NSN) junctions made of narrow (wire-like) or wide (film-like) magnetic topological insulator slabs with a central proximitized superconducting sector. The occurrence of charge non-conserving Andreev processes entails a nonzero conductance related to an electric current flowing to ground from the proximitized sector of the NSN junction. We show that topologically-protected Majorana modes require an antisymmetry of this conductance with respect to the point of equally split bias voltage across the junction.This project is financially supported by the QuantERA grant MAGMA, by the National Research Fund Luxembourg under Grant No. INTER/QUANTERA21/16447820/MAGMA, by the German Research Foundation under Grant No. 491798118, by MCIN/AEI/10.13039/501100011033 under Project No. PCI2022-132927, and by the European Union NextGenerationEU/PRTR. L.S. acknowledges support from Grants No. PID2020-117347GB-I00, funded by MCIN/AEI/10.13039/501100011033, and No. PDR2020-12, funded by GOIB. K.M. acknowledges the financial support from the Bavarian Ministry of Economic Affairs, Regional Development and Energy within Bavaria's High-Tech Agenda Project “Bausteine für das Quantencomputing auf Basis topologischer Materialien mit experimentellen und theoretischen Ansätzen” (Grant Allocation No. 07 02/686 58/1/21 1/22 2/23). T.L.S. acknowledges financial support from the Luxembourg National Research Fund under Grant No. INTER/MOBILITY/2022/MS/17549827/AndMTI.Peer reviewedAmerican Physical SocietyFonds National de la Recherche LuxembourgGerman Research FoundationEuropean CommissionMinisterio de Ciencia e Innovación (España)Agencia Estatal de Investigación (España)Govern de les Illes BalearsBavarian Ministry of Economic Affairs, Energy and TechnologySerra, Llorenç [0000-0001-8496-7873]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202320232023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/340287http://arxiv.org/abs/2303.16261v2reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117347GB-I00The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1103/PhysRevB.108.035424Di Miceli, Daniele; Zsurka, Eduárd; Legendre, Julian; Moors, Kristof; Schmidt, Thomas; Serra, Llorenç; 2023; Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes [Preprint]; arXiv; Version 2; https://doi.org/10.48550/arXiv.2303.16261https://doi.org/10.1103/PhysRevB.108.035424Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3402872026-05-22T06:33:51Z
dc.title.none.fl_str_mv Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
title Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
spellingShingle Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
Di Miceli, Daniele
Physics - Mesoscopic Systems and Quantum Hall Effect
Physics - Mesoscopic Systems and Quantum Hall Effect
title_short Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
title_full Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
title_fullStr Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
title_full_unstemmed Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
title_sort Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes
dc.creator.none.fl_str_mv Di Miceli, Daniele
Zsurka, Eduárd
Legendre, Julian
Moors, Kristof
Schmidt, Thomas L.
Serra, Llorenç
author Di Miceli, Daniele
author_facet Di Miceli, Daniele
Zsurka, Eduárd
Legendre, Julian
Moors, Kristof
Schmidt, Thomas L.
Serra, Llorenç
author_role author
author2 Zsurka, Eduárd
Legendre, Julian
Moors, Kristof
Schmidt, Thomas L.
Serra, Llorenç
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Fonds National de la Recherche Luxembourg
German Research Foundation
European Commission
Ministerio de Ciencia e Innovación (España)
Agencia Estatal de Investigación (España)
Govern de les Illes Balears
Bavarian Ministry of Economic Affairs, Energy and Technology
Serra, Llorenç [0000-0001-8496-7873]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Physics - Mesoscopic Systems and Quantum Hall Effect
Physics - Mesoscopic Systems and Quantum Hall Effect
topic Physics - Mesoscopic Systems and Quantum Hall Effect
Physics - Mesoscopic Systems and Quantum Hall Effect
description We theoretically discuss electronic transport via Majorana states in magnetic topological insulator-superconductor junctions with an asymmetric split of the applied bias voltage. We study normal-superconductor-normal (NSN) junctions made of narrow (wire-like) or wide (film-like) magnetic topological insulator slabs with a central proximitized superconducting sector. The occurrence of charge non-conserving Andreev processes entails a nonzero conductance related to an electric current flowing to ground from the proximitized sector of the NSN junction. We show that topologically-protected Majorana modes require an antisymmetry of this conductance with respect to the point of equally split bias voltage across the junction.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/340287
http://arxiv.org/abs/2303.16261v2
url http://hdl.handle.net/10261/340287
http://arxiv.org/abs/2303.16261v2
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117347GB-I00
The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1103/PhysRevB.108.035424
Di Miceli, Daniele; Zsurka, Eduárd; Legendre, Julian; Moors, Kristof; Schmidt, Thomas; Serra, Llorenç; 2023; Conductance asymmetry in proximitized magnetic topological insulator junctions with Majorana modes [Preprint]; arXiv; Version 2; https://doi.org/10.48550/arXiv.2303.16261
https://doi.org/10.1103/PhysRevB.108.035424
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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