Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures

A topological state with protected propagation of elastic waves is achieved by appropriately engineering a phononic metamaterial based on 2D pentamode structures in silicon. Gapless edge states in the designed structure, which are characterized by pseudospin-dependent transport, provide backscatteri...

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Detalles Bibliográficos
Autores principales: Guo, Yuning, Dekorsy, Thomas, Hettich, Mike
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5741736/
https://www.ncbi.nlm.nih.gov/pubmed/29273741
http://dx.doi.org/10.1038/s41598-017-18394-8
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author Guo, Yuning
Dekorsy, Thomas
Hettich, Mike
author_facet Guo, Yuning
Dekorsy, Thomas
Hettich, Mike
author_sort Guo, Yuning
collection PubMed
description A topological state with protected propagation of elastic waves is achieved by appropriately engineering a phononic metamaterial based on 2D pentamode structures in silicon. Gapless edge states in the designed structure, which are characterized by pseudospin-dependent transport, provide backscattering-immune propagation of the elastic wave along bend paths. The role of the states responsible for forward and backward transfer can be interchanged by design.
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spelling pubmed-57417362018-01-03 Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures Guo, Yuning Dekorsy, Thomas Hettich, Mike Sci Rep Article A topological state with protected propagation of elastic waves is achieved by appropriately engineering a phononic metamaterial based on 2D pentamode structures in silicon. Gapless edge states in the designed structure, which are characterized by pseudospin-dependent transport, provide backscattering-immune propagation of the elastic wave along bend paths. The role of the states responsible for forward and backward transfer can be interchanged by design. Nature Publishing Group UK 2017-12-22 /pmc/articles/PMC5741736/ /pubmed/29273741 http://dx.doi.org/10.1038/s41598-017-18394-8 Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Guo, Yuning
Dekorsy, Thomas
Hettich, Mike
Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures
title Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures
title_full Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures
title_fullStr Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures
title_full_unstemmed Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures
title_short Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures
title_sort topological guiding of elastic waves in phononic metamaterials based on 2d pentamode structures
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5741736/
https://www.ncbi.nlm.nih.gov/pubmed/29273741
http://dx.doi.org/10.1038/s41598-017-18394-8
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AT dekorsythomas topologicalguidingofelasticwavesinphononicmetamaterialsbasedon2dpentamodestructures
AT hettichmike topologicalguidingofelasticwavesinphononicmetamaterialsbasedon2dpentamodestructures

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