A theory is presented which incorporates the effect of dielectric anisotropy in random multiple scattering media. It predicts anisotropic diffusion, and a deflection of the diffuse energy flow in anisotropic slabs in the direction parallel to the slab. The transmittance integrated over all incoming and outgoing directions scales with the transport mean free path along the surface normal. The escape function in anisotropic dielectrics is no longer bell shaped. In this model anisotropy facilitates Anderson localization.

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Persistent URL dx.doi.org/10.1103/physrevlett.100.123902
Journal Phys. Rev. Lett.
Kaas, B. C, van Tiggelen, B. A, & Lagendijk, A. (2008). Anisotropy and interference in wave transport : an analytic theory. Phys.Rev.Lett., 100(Article number: 123902), 1–4. doi:10.1103/physrevlett.100.123902