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Study of Abnormal Group Velocities in Flexural Metamaterials
Generally, it has been known that the optical branch of a simple one-dimensional periodic structure has a negative group velocity at the first Brillouin zone due to the band-folding effect. However, the optical branch of the flexural wave in one-dimensional periodic structure doesn’t always have neg...
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| Udgivet i: | Sci Rep |
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| Main Authors: | , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Nature Publishing Group UK
2019
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6765006/ https://ncbi.nlm.nih.gov/pubmed/31562343 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-019-50146-8 |
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