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Roton-like acoustical dispersion relations in 3D metamaterials
Roton dispersion relations have been restricted to correlated quantum systems at low temperatures, such as liquid Helium-4, thin films of Helium-3, and Bose–Einstein condensates. This unusual kind of dispersion relation provides broadband acoustical backward waves, connected to energy flow vortices...
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| Veröffentlicht in: | Nat Commun |
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| Hauptverfasser: | , , |
| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
Nature Publishing Group UK
2021
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC8172548/ https://ncbi.nlm.nih.gov/pubmed/34078904 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-021-23574-2 |
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