WebPhononic crystals (PCs) are artificial periodic composites designed to exhibit phononic band gaps and they have been quite studied 1 - 14. There are no mechanical (elastic or acoustic) propagating waves in phononic band gaps, only evanescent waves. These band gaps are created by the periodically mismatch between the constituent materials. Web11 apr. 2024 · In this Perspective, we review recent progress in antichiral topological photonic states in magnetic photonic systems for the basic concepts, properties, and applications. Additionally, we provide an outlook for emerging frontier topics, promising opportunities, fundamental challenges, and potential applications for antichiral magnetic ...
Visualizing defect dynamics by assembling the colloidal graphene lattice
Web9 apr. 2024 · In this study, an artificial neural network that can predict the band structure of 2-D photonic crystals is developed. Three kinds of photonic crystals in a square lattice, triangular lattice, and honeycomb lattice and two kinds of materials with different refractive indices are investigated. Using the length of the wave vectors in the reduced Brillouin … Web15 apr. 2024 · Juan L. Mañes. We use the methods of topological quantum chemistry to explore the topology of phonons on time-reversal symmetric crystals with the structure … ez banking td
Fragile phonon topology on the honeycomb lattice with time …
Web1 jan. 2007 · In this paper we theoretically investigate a photonic crystal with dielectric rods in a honeycomb lattice. Two left-handed frequency regions are found in the second and … http://hs.link.springer.com.dr2am.wust.edu.cn/article/10.1007/s10853-012-6643-4?__dp=https Web14 jan. 2005 · Phononic crystals composed of two-dimensional arrays of periodic aluminium alloy cylinders in air are calculated. Band structures of two types of complex lattices, the honeycomb and the Kagome lattices, are presented. The band structures of complex lattices and simple lattices are compared. heymann sebastian