recurrent scattering

Experimental evidence for recurrent multiple scattering of light in disordered media
D.S. Wiersma, M. P. van Albada, B. A. van Tiggelen, and A. Lagendijk
Phys. Rev. Lett. 74, 4193-4196 (1995)

Resonantly induced dipole dipole interactions in the diffusion of scalar waves
B. A. van Tiggelen and A. Lagendijk
Phys. Rev. B 50, 16729-16732 (1994)