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Phys. Rev. Lett. 100, 123902 (2008) [4 pages]

Anisotropy and Interference in Wave Transport: An Analytic Theory

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B. C. Kaas1,2,*, B. A. van Tiggelen2, and A. Lagendijk1
1FOM Institute for Atomic and Molecular Physics (AMOLF), Kruislaan 407, 1098 SJ Amsterdam, The Netherlands
2Laboratoire de Physique et Modélisation des Milieux Condensés, Maison des Magistères, CNRS/UJF BP 166, 38042 Grenoble, France

Received 21 July 2007; revised 3 January 2008; published 25 March 2008

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.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.123902
DOI:
10.1103/PhysRevLett.100.123902
PACS:
42.25.Dd, 05.60.Cd, 42.25.Bs, 42.25.Hz

*kaas@amolf.nl