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

B. A. van Tiggelen, D. Anache, A. Ghysels
EPL (Europhysics letters)
74 (6), 999-1005


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.