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Coherent backscattering effect on wave dynamics in a random medium .

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<mark>Journal publication date</mark>2000
<mark>Journal</mark>EPL
Volume52
Number of pages10165
Pages (from-to)518-10682
Publication StatusPublished
<mark>Original language</mark>English

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.