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Transmission in waveguides with compositional and structural disorder: experimental effects of disorder cross-correlations.

Abstract : We analyse the single-mode transmission of microwaves in a guide with internal random structure. The waveguide contains scatterers characterized by random heights and positions, corresponding to compositional and structural disorder. We measure the effects of cross-correlations between two kinds of disorder, showing how they enhance or attenuate the experimentally found transmission gaps generated by long-range self-correlations. The results agree with the theoretical predictions obtained for the aperiodic Kronig-Penney model and prove that self- and cross-correlations also have relevant effects in finite disordered samples of small size.
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https://hal.archives-ouvertes.fr/hal-00703218
Contributor : Ulrich Kuhl <>
Submitted on : Friday, June 1, 2012 - 11:15:46 AM
Last modification on : Wednesday, October 14, 2020 - 3:45:15 AM

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O. Dietz, Ulrich Kuhl, J. C. Hernández-Herrejón, L. Tessieri. Transmission in waveguides with compositional and structural disorder: experimental effects of disorder cross-correlations.. New Journal of Physics, Institute of Physics: Open Access Journals, 2012, 14, pp.013048. ⟨10.1088/1367-2630/14/1/013048⟩. ⟨hal-00703218⟩

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