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Coherent backscattering effect on wave dynamics in a random medium .

By H. Schomerus, K. J. H. van Bemmel and C. W. J. Beenakker

Abstract

A dynamical effect of coherent backscattering is predicted theoretically and supported by computer simulations: The distribution of single-mode delay times of waves reflected by a disordered waveguide depends on whether the incident and detected modes are the same or not. The change amounts to a rescaling of the distribution by a factor close to sqrt(2). This effect appears only if the length of the waveguide exceeds the localization length; there is no effect of coherent backscattering on the delay times in the diffusive regime

Year: 2000
OAI identifier: oai:eprints.lancs.ac.uk:700
Provided by: Lancaster E-Prints

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Citations

  1. (1993). 3884; Tourin
  2. (2000). and B e e n a k k e rC doi
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  4. (1999). B e e n a k k e rC .W .J . ,v a nB e m m e lK
  5. This value of γ is somewhat bigger than the value γ = π 2l/4c =3 4 .5a/c for two-dimensional scattering, as a consequence of the anisotropic dispersion relation on a square lattice.

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