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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...

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Detalhes bibliográficos
Publicado no:Sci Rep
Main Authors: He, Wen-Yu, Chan, C. T.
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group 2015
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4650825/
https://ncbi.nlm.nih.gov/pubmed/25640993
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep08186
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