High-frequency homogenization of zero-frequency stop band photonic and phononic crystals. Antonakakis, T., Craster, R. V., & Guenneau, S. New Journal of Physics, 15(10):103014, 2013. arXiv: 1304.5782
Paper doi abstract bibtex We present an accurate methodology for representing the physics of waves, in periodic structures,\nthrough effective properties for a replacement bulk medium: this is valid even for media with\nzero-frequency stop bands and where high-frequency phenomena dominate. Since the work of Lord\nRayleigh in 1892, low-frequency (or quasi-static) behaviour has been neatly encapsulated in\neffective anisotropic media; the various parameters come from asymptotic analysis relying upon the\nratio of the array pitch to the wavelength being sufficiently small. However, such classical\nhomogenization theories break down in the high-frequency or stop band regime whereby the wavelength\nto pitch ratio is of order one. Furthermore, arrays of inclusions with Dirichlet data lead to a\nzero-frequency stop band, with the salient consequence that classical homogenization is invalid.\nHigher-frequency phenomena are of significant importance in photonics (transverse magnetic waves\npropagating in infinite conducting parallel fibres), phononics (anti-plane shear waves propagating
@article{antonakakis_high-frequency_2013,
title = {High-frequency homogenization of zero-frequency stop band photonic and phononic crystals},
volume = {15},
issn = {1367-2630},
url = {http://stacks.iop.org/1367-2630/15/i=10/a=103014?key=crossref.18ce11708bc45131ce26b67afde4a2fe},
doi = {10.1088/1367-2630/15/10/103014},
abstract = {We present an accurate methodology for representing the physics of waves, in periodic structures,{\textbackslash}nthrough effective properties for a replacement bulk medium: this is valid even for media with{\textbackslash}nzero-frequency stop bands and where high-frequency phenomena dominate. Since the work of Lord{\textbackslash}nRayleigh in 1892, low-frequency (or quasi-static) behaviour has been neatly encapsulated in{\textbackslash}neffective anisotropic media; the various parameters come from asymptotic analysis relying upon the{\textbackslash}nratio of the array pitch to the wavelength being sufficiently small. However, such classical{\textbackslash}nhomogenization theories break down in the high-frequency or stop band regime whereby the wavelength{\textbackslash}nto pitch ratio is of order one. Furthermore, arrays of inclusions with Dirichlet data lead to a{\textbackslash}nzero-frequency stop band, with the salient consequence that classical homogenization is invalid.{\textbackslash}nHigher-frequency phenomena are of significant importance in photonics (transverse magnetic waves{\textbackslash}npropagating in infinite conducting parallel fibres), phononics (anti-plane shear waves propagating},
number = {10},
journal = {New Journal of Physics},
author = {Antonakakis, T. and Craster, R. V. and Guenneau, S.},
year = {2013},
note = {arXiv: 1304.5782},
pages = {103014},
}
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