Influence of correlations between scatterers on the attenuation of the coherent wave in a random medium

被引：66

作者：

Derode, Arnaud ^{[1
]}

Mamou, Victor ^{[1
]}

Tourin, Arnaud ^{[1
]}

机构：

[1] Univ Paris 07, CNRS, Lab Ondes & Acoust, ESPCI, F-75005 Paris, France

来源：

PHYSICAL REVIEW E | 2006年 / 74卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.74.036606

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Experimental measurements of the coherent wave transmission for ultrasonic waves propagating in water through a random set of scatterers (metallic rods) are presented. Though the densities are moderate (6% and 14%) the experimental results show that the mean-free path deviates from the classical first-order approximation due to the existence of correlations between scatterers. Theoretical results for the mean free path obtained from different approaches are compared to the experimental measurements. The best agreement is obtained with the second-order diagrammatic expansion of the self-energy.

引用

页数：9

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