New Type of Intensity Correlation in Random Media
New Type of Intensity Correlation in Random Media
A monochromatic point source, embedded in a three-dimensional disordered medium, is considered. The resulting intensity pattern exhibits a new type of long-range correlation. The range of these correlations is infinite and their magnitude, normalized to the average intensity, is of order $1/{k}_{0}\ensuremath{\ell}$, where ${k}_{0}$ and $\ensuremath{\ell}$ are the wave number …