Incoherent non-Hermitian skin effect in photonic quantum walks

The non-Hermitian skin effect describes the concentration of an extensive number of eigenstates near the boundaries of certain dissipative systems. This phenomenon has raised a huge interest in different areas of physics, including photonics, deeply expanding our understanding of non-Hermitian syste...

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Detalles Bibliográficos
Autor: Longhi, Stefano
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/363017
Acceso en línea:http://hdl.handle.net/10261/363017
https://api.elsevier.com/content/abstract/scopus_id/85191287421
Access Level:acceso abierto
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spelling Incoherent non-Hermitian skin effect in photonic quantum walksLonghi, StefanoThe non-Hermitian skin effect describes the concentration of an extensive number of eigenstates near the boundaries of certain dissipative systems. This phenomenon has raised a huge interest in different areas of physics, including photonics, deeply expanding our understanding of non-Hermitian systems and opening up new avenues in both fundamental and applied aspects of topological phenomena. The skin effect has been associated to a nontrivial point-gap spectral topology and has been experimentally demonstrated in a variety of synthetic matter systems, including photonic lattices. In most of physical models exhibiting the non-Hermitian skin effect full or partial wave coherence is generally assumed. Here we push the concept of skin effect into the fully incoherent regime and show that rather generally (but not universally) the non-Hermitian skin effect persists under dephasing dynamics. The results are illustrated by considering incoherent light dynamics in non-Hermitian photonic quantum walks.This work has been supported by the Spanish State Research Agency, through the Severo Ochoa and Maria de Maeztu Program for Centers and Units of Excellence in R&D (Grant No. MDM-2017-0711).Peer reviewedSpringer NatureAgencia Estatal de Investigación (España)Ministerio de Ciencia e Innovación (España)Longhi, Stefano [0000-0002-8739-3542]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202420242024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/363017https://api.elsevier.com/content/abstract/scopus_id/85191287421reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI//MDM-2017-0711The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1038/s41377-024-01438-wLonghi, Stefano; 2024; Incoherent non-Hermitian skin effect in photonic quantum walks [Preprint]; arXiv; https://doi.org/10.48550/arXiv.2404.04536https://doi.org/10.1038/s41377-024-01438-wSíinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3630172026-05-22T06:33:51Z
dc.title.none.fl_str_mv Incoherent non-Hermitian skin effect in photonic quantum walks
title Incoherent non-Hermitian skin effect in photonic quantum walks
spellingShingle Incoherent non-Hermitian skin effect in photonic quantum walks
Longhi, Stefano
title_short Incoherent non-Hermitian skin effect in photonic quantum walks
title_full Incoherent non-Hermitian skin effect in photonic quantum walks
title_fullStr Incoherent non-Hermitian skin effect in photonic quantum walks
title_full_unstemmed Incoherent non-Hermitian skin effect in photonic quantum walks
title_sort Incoherent non-Hermitian skin effect in photonic quantum walks
dc.creator.none.fl_str_mv Longhi, Stefano
author Longhi, Stefano
author_facet Longhi, Stefano
author_role author
dc.contributor.none.fl_str_mv Agencia Estatal de Investigación (España)
Ministerio de Ciencia e Innovación (España)
Longhi, Stefano [0000-0002-8739-3542]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
description The non-Hermitian skin effect describes the concentration of an extensive number of eigenstates near the boundaries of certain dissipative systems. This phenomenon has raised a huge interest in different areas of physics, including photonics, deeply expanding our understanding of non-Hermitian systems and opening up new avenues in both fundamental and applied aspects of topological phenomena. The skin effect has been associated to a nontrivial point-gap spectral topology and has been experimentally demonstrated in a variety of synthetic matter systems, including photonic lattices. In most of physical models exhibiting the non-Hermitian skin effect full or partial wave coherence is generally assumed. Here we push the concept of skin effect into the fully incoherent regime and show that rather generally (but not universally) the non-Hermitian skin effect persists under dephasing dynamics. The results are illustrated by considering incoherent light dynamics in non-Hermitian photonic quantum walks.
publishDate 2024
dc.date.none.fl_str_mv 2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
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status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/363017
https://api.elsevier.com/content/abstract/scopus_id/85191287421
url http://hdl.handle.net/10261/363017
https://api.elsevier.com/content/abstract/scopus_id/85191287421
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//MDM-2017-0711
The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1038/s41377-024-01438-w
Longhi, Stefano; 2024; Incoherent non-Hermitian skin effect in photonic quantum walks [Preprint]; arXiv; https://doi.org/10.48550/arXiv.2404.04536
https://doi.org/10.1038/s41377-024-01438-w
Sí
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eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv Springer Nature
publisher.none.fl_str_mv Springer Nature
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)
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