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Evidences Of Evanescent Bloch Waves In Phononic Crystals

APPLIED PHYSICS LETTERS, no. 12 (2010): 124102

引用：61|浏览18

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academic.microsoft.com arxiv.org

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APW calculations energy gap localised modes phonon-defect interactions phononic crystals更多(1+)

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We show both experimentally and theoretically the evanescent behavior of modes in the band gap of finite phononic crystal (PC). Based on experimental and numerical data we obtain the imaginary part of the wave vector in good agreement with the complex band structures obtained by the extended plane wave expansion. The calculated and measur...更多

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