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Two-dimensional photonic crystal with ring degeneracy and its topological protected edge states
We propose a two-dimensional photonic crystal that possesses a degenerate ring in the momentum space. The photonic crystal is composed of the parallel-plate metal filled with a periodically arranged square array of metallic cylinders. Opening an air gap breaks the z-inversion symmetry, leading to th...
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| Vydáno v: | Sci Rep |
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| Hlavní autoři: | , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
Nature Publishing Group UK
2019
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6405869/ https://ncbi.nlm.nih.gov/pubmed/30846836 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-019-40677-5 |
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