The diffusive propagation of electromagnetic waves in an absorbing random medium is studied and the localization corrections to the diffusion coefficient are calculated. The differences between absorption and inelastic scattering are discussed. Unlike inelastic scattering which introduces a cut-off length into the diffusion coefficient without affecting the total intensity, absorption reduces the intensity but cancels out of the diffusion coefficient. It is predicted that a sharp mobility edge can exist in a sufficiently strongly disordered medium even in the presence of a significant degree of absorption. Novel scaling properties of the transmitted waves at the mobility edge are predicted.
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M. Yosefin (1994) studied this question.
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