Europhys. Lett.
Volume 74, Number 6, June 2006
Page(s) 999 - 1005
Section Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics
Published online 17 May 2006
Europhys. Lett., 74 (6), pp. 999-1005 (2006)
DOI: 10.1209/epl/i2006-10059-y

Role of mean free path in spatial phase correlation and nodal screening

B. A. van Tiggelen, D. Anache and A. Ghysels

Laboratoire de Physique et Modélisation des Milieux Condensés/CNRS Maison des Magistères/UJF, BP 166, 38042 Grenoble, France

received 31 January 2006; accepted in final form 25 April 2006
published online 17 May 2006

We study the spatial correlation function of the phase and its derivative, and related, fluctuations of topological charge, in two- and three-dimensional random media described by Gaussian statistics. We investigate their dependence on the scattering mean free path.

42.25.Dd - Wave propagation in random media.
42.30.Rx - Phase retrieval.
91.30.Cd - Seismology: Body wave propagation.

© EDP Sciences 2006