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The existence of topological edge states in honeycomb plasmonic lattices
- 发表刊物：New Journal of Physics
- 摘要：In this paper, we investigate the band properties of 2D honeycomb plasmonic lattices consisting of metallic nanoparticles. By means of the coupled dipole method and quasi-static approximation, we theoretically analyze the band structures stemming from near-field interaction of localized surface plasmon polaritons for both the infinite lattice and ribbons. Naturally, the interaction of point dipoles decouples into independent out-of-plane and in-plane polarizations. For the out-of-plane modes, both the bulk spectrum and the range of the momentum k∥ where edge states exist in ribbons are …
- 卷号：18
- 期号：10
- 页面范围：103029
- 是否译文：否
- 发表时间：2016-10-19
- 发布期刊链接：https://iopscience.iop.org/article/10.1088/1367-2630/18/10/103029/meta
