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Hierarchical model for the scale-dependent velocity of seismic waves
J. Tworzydlo, C. W. J. Beenakker
Elastic waves of short wavelength propagating through the upper layer of the Earth appear to move faster at large separations of source and receiver than at short separations. This…
High-frequency dynamics of wave localisation
C. W. J. Beenakker, K. J. H. van Bemmel, P. W. Brouwer
We study the effect of localisation on the propagation of a pulse through a multi-mode disordered waveguide. The correlator <u(omega1)u*(omega2)> of the transmitted wave amplitude…
Distribution of the reflection eigenvalues of a weakly absorbing chaotic cavity
C. W. J. Beenakker, P. W. Brouwer
The scattering-matrix product SS+ of a weakly absorbing medium is related by a unitary transformation to the time-delay matrix without absorption. It follows from this relationship…