Wave propagation in a disordered array of monopole scatterers

K. Mattern and B.U. Felderhof

Physica A: Statistical Mechanics and its Applications, 1985, vol. 129, issue 3, 562-576

Abstract: We study scalar wave propagation in a disordered static array of spherical scatterers. Due to a hard core repulsion the scatterers do not overlap. The wave is scattered by a δ-function potential at the center of each of the spheres. To this monopole model we apply the previously developed cluster expansion for the self-energy. We find the root of the dispersion equation for the coherent wave for a range of volume fraction5. It turns out that the monopole model develops an instability when the scattering is too strong.

Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:129:y:1985:i:3:p:562-576

DOI: 10.1016/0378-4371(85)90186-4

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