带隙
凝聚态物理
电子能带结构
声学超材料
物理
材料科学
光学
作者
M. M. Sigalas,E. N. Economou
标识
DOI:10.1016/0038-1098(93)90888-t
摘要
We have calculated the band structure of acoustic and elastic waves propagating in two dimensional periodic fluid or solid systems respectively. In fluids, gaps are obtained easily, in contrast to the case of solids, where a large density mismatch is required. A system consisting of Au cylinders embedded in a Be host exhibits a narrow gap.
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