Volume 37, Number 1, January I 1997
|Page(s)||7 - 12|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Acoustic waves in random media
Research Center of Crete, FORTH - P.O. Box 1527,
71110 Heraklion, Department of Physics, University of Crete.
Accepted: 14 November 1996
Motivated by recent experimental results we test how well various extensions of the well-known coherent potential approximation (CPA) determine the characteristics of the acoustic-wave propagation through a random composite consisting of glass spheres in water. In spite of the approximate character of the methods, our results seem to be in reasonable agreement with recent experimental data.
PACS: 62.30.+d – Mechanical and elastic waves; vibrations / 43.20.Hq – Velocity and attenuation of acoustic waves / 43.35.Bf – Ultrasonic velocity, dispersion, scattering, diffraction, and attenuation in liquids, liquid crystals, suspensions, and emulsions
© EDP Sciences, 1997
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