Publikation:

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

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Guo_2-98z9lnm8eq0o2.pdf
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2017

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-98z9lnm8eq0o2
DOI (zitierfähiger Link)
https://doi.org/10.1038/s41598-017-18394-8
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CC BY 4.0

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SFB 767 - TP A01
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Open Access Gold

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Physik: Publikationen
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Published

Erschienen in

Scientific Reports. 2017, 7(1), 18043. eISSN 2045-2322. Available under: doi: 10.1038/s41598-017-18394-8

Zusammenfassung

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.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

Schlagwörter

Topological states, Elastic waves, Pentamode structures

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ISO 690GUO, Yuning, Thomas DEKORSY, Mike HETTICH, 2017. Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures. In: Scientific Reports. 2017, 7(1), 18043. eISSN 2045-2322. Available under: doi: 10.1038/s41598-017-18394-8
BibTex
@article{Guo2017-12-22Topol-41048,
  year={2017},
  doi={10.1038/s41598-017-18394-8},
  title={Topological guiding of elastic waves in phononic metamaterials based on 2D pentamode structures},
  number={1},
  volume={7},
  journal={Scientific Reports},
  author={Guo, Yuning and Dekorsy, Thomas and Hettich, Mike},
  note={Article Number: 18043}
}
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