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The Emergence of Dirac points in Photonic Crystals with Mirror Symmetry
We show that Dirac points can emerge in photonic crystals possessing mirror symmetry when band gap closes. The mechanism of generating Dirac points is discussed in a two-dimensional photonic square lattice, in which four Dirac points split out naturally after the touching of two bands with different...
Autores principales: | He, Wen-Yu, Chan, C. T. |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650825/ https://www.ncbi.nlm.nih.gov/pubmed/25640993 http://dx.doi.org/10.1038/srep08186 |
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