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Bleustein-Gulyaev SAWS with Low Losses: Approximate Direct Solution
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Journal of Electromagnetic Analysis and Applications·Volume 03 (2011)·Pages 122–127·Published 8 April 2011·DOI10.4236/jemaa.2011.34020
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Abstract
The main properties (attenuation along the surface, attenuation in depth, additional radiation in depth, dispersion in propagation space) of Bleustein-Gulyaev surface acoustic waves (SAWs) in electroelasticity are determined in terms of a perturbation due to viscosity. This paves the way for a study of the perturbed motion of associated quasi-particles in the presence of low losses.
KeywordsElectroelasticitySurface WavesBleustein-Gulyaev WavesDissipationViscosity Low Losses
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