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Photonic Chern insulator through homogenization of an array of particles
- 发表刊物：Physical Review B
- 摘要：We propose a route towards creating a metamaterial that behaves as a photonic Chern insulator, through homogenization of an array of gyromagnetic cylinders. We show that such an array can exhibit nontrivial topological effects, including topologically nontrivial band gaps and one-way edge states, when it can be homogenized to an effective medium model that has the Berry curvature strongly peaked at the wave vector k= 0. The nontrivial band topology depends only on the parameters of the cylinders and the cylinders’ density, and can be realized in a wide variety of different lattices, including…
- 卷号：96
- 期号：10
- 页面范围：100202
- 是否译文：否
- 发表时间：2017-09-28
